+++ /dev/null
-/* Prepare Tex index dribble output into an actual index.
- Copyright (C) 1987 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 1, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#include <stdio.h>
-#include <ctype.h>
-#include <errno.h>
-extern int errno;
-
-#ifdef VMS
-#ifndef VAX11C
-#define noshare
-#endif
-
-#include <perror.h>
-#include <file.h>
-
-#define EXIT_SUCCESS ((1 << 28) | 1)
-#define EXIT_FATAL ((1 << 28) | 4)
-#define unlink delete
-#define tell(fd) lseek(fd, 0L, 1)
-
-#else /* Not VMS */
-
-#ifdef USG
-#include <sys/types.h>
-#include <sys/fcntl.h>
-#endif
-#include <sys/file.h>
-
-#define EXIT_SUCCESS 0
-#define EXIT_FATAL 1
-
-#endif /* Not VMS */
-
-
-#ifndef L_XTND
-#define L_XTND 2
-#endif
-
-#ifdef VMS
-extern noshare int sys_nerr;
-extern noshare char *sys_errlist[];
-#else
-extern int sys_nerr;
-extern char *sys_errlist[];
-#endif
-
-/* When sorting in core, this structure describes one line
- and the position and length of its first keyfield. */
-
-struct lineinfo
- {
- char *text; /* The actual text of the line */
- union
- { /* The start of the key (for textual comparison) */
- char *text;
- long number; /* or the numeric value (for numeric comparison) */
- } key;
- long keylen; /* Length of key field */
- };
-
-/* This structure describes a field to use as a sort key */
-
-struct keyfield
- {
- int startwords; /* # words to skip */
- int startchars; /* and # additional chars to skip, to start of field */
- int endwords; /* similar, from beg (or end) of line, to find end of field */
- int endchars;
- char ignore_blanks; /* Ignore spaces and tabs within the field */
- char fold_case; /* Convert upper case to lower before comparing */
- char reverse; /* Compare in reverse order */
- char numeric; /* Parse text as an integer and compare the integers */
- char positional; /* Sort according to position within the file */
- char braced; /* Count balanced-braced groupings as fields */
- };
-
-/* Vector of keyfields to use */
-
-struct keyfield keyfields[3];
-
-/* Number of keyfields stored in that vector. */
-
-int num_keyfields = 3;
-
-/* Vector of input file names, terminated with a zero (null pointer) */
-
-char **infiles;
-
-/* Vector of corresponding output file names, or zero meaning default it */
-
-char **outfiles;
-
-/* Length of `infiles' */
-
-int num_infiles;
-
-/* Pointer to the array of pointers to lines being sorted */
-
-char **linearray;
-
-/* The allocated length of `linearray'. */
-
-long nlines;
-
-/* Directory to use for temporary files. On Unix, it ends with a slash. */
-
-char *tempdir;
-
-/* Start of filename to use for temporary files. */
-
-char *tempbase;
-
-/* Number of last temporary file. */
-
-int tempcount;
-
-/* Number of last temporary file already deleted.
- Temporary files are deleted by `flush_tempfiles' in order of creation. */
-
-int last_deleted_tempcount;
-
-/* During in-core sort, this points to the base of the data block
- which contains all the lines of data. */
-
-char *text_base;
-
-/* Additional command switches */
-
-int keep_tempfiles; /* Nonzero means do not delete tempfiles -- for debugging */
-
-/* Forward declarations of functions in this file */
-
-void decode_command ();
-void sort_in_core ();
-void sort_offline ();
-char **parsefile ();
-char *find_field ();
-char *find_pos ();
-long find_value ();
-char *find_braced_pos ();
-char *find_braced_end ();
-void writelines ();
-int compare_full ();
-long readline ();
-int merge_files ();
-int merge_direct ();
-char *concat ();
-char *maketempname ();
-void flush_tempfiles ();
-char *tempcopy ();
-
-extern char *mktemp ();
-\f
-#define MAX_IN_CORE_SORT 500000
-
-int
-main (argc, argv)
- int argc;
- char **argv;
-{
- int i;
-
- tempcount = 0;
- last_deleted_tempcount = 0;
-
- /* Describe the kind of sorting to do. */
- /* The first keyfield uses the first braced field and folds case */
- keyfields[0].braced = 1;
- keyfields[0].fold_case = 1;
- keyfields[0].endwords = -1;
- keyfields[0].endchars = -1;
- /* The second keyfield uses the second braced field, numerically */
- keyfields[1].braced = 1;
- keyfields[1].numeric = 1;
- keyfields[1].startwords = 1;
- keyfields[1].endwords = -1;
- keyfields[1].endchars = -1;
- /* The third keyfield (which is ignored while discarding duplicates)
- compares the whole line */
- keyfields[2].endwords = -1;
- keyfields[2].endchars = -1;
-
- decode_command (argc, argv);
-
- tempbase = mktemp (concat ("txiXXXXXX", "", ""));
-
- /* Process input files completely, one by one. */
-
- for (i = 0; i < num_infiles; i++)
- {
- int desc;
- long ptr;
- char *outfile;
- char *p;
-
- desc = open (infiles[i], 0, 0);
- if (desc < 0) pfatal_with_name (infiles[i]);
- lseek (desc, 0, L_XTND);
- ptr = tell (desc);
- close (desc);
-
- outfile = outfiles[i];
- if (!outfile)
- {
- outfile = concat (infiles[i], "s", "");
- }
-
- if (ptr < MAX_IN_CORE_SORT)
- /* Sort a small amount of data */
- sort_in_core (infiles[i], ptr, outfile);
- else
- sort_offline (infiles[i], ptr, outfile);
- }
-
- flush_tempfiles (tempcount);
- exit (EXIT_SUCCESS);
-}
-\f
-/* This page decodes the command line arguments to set the parameter variables
- and set up the vector of keyfields and the vector of input files */
-
-void
-decode_command (argc, argv)
- int argc;
- char **argv;
-{
- int i;
- char **ip;
- char **op;
-
- /* Store default values into parameter variables */
-
-#ifdef VMS
- tempdir = "sys$scratch:";
-#else
- tempdir = "/tmp/";
-#endif
-
- keep_tempfiles = 0;
-
- /* Allocate argc input files, which must be enough. */
-
- infiles = (char **) xmalloc (argc * sizeof (char *));
- outfiles = (char **) xmalloc (argc * sizeof (char *));
- ip = infiles;
- op = outfiles;
-
- /* First find all switches that control the default kind-of-sort */
-
- for (i = 1; i < argc; i++)
- {
- int tem = classify_arg (argv[i]);
- char c;
- char *p;
-
- if (tem <= 0)
- {
- *ip++ = argv[i];
- *op++ = 0;
- continue;
- }
- if (tem > 1)
- {
- if (i + 1 == argc)
- fatal ("switch %s given with no argument following it", argv[i]);
- else if (!strcmp (argv[i], "-T"))
- tempdir = argv[i + 1];
- else if (!strcmp (argv[i], "-o"))
- *(op - 1) = argv[i + 1];
- i += tem - 1;
- continue;
- }
-
- p = &argv[i][1];
- while (c = *p++)
- switch (c)
- {
- case 'k':
- keep_tempfiles = 1;
- break;
-
- default:
- fatal ("invalid command switch %c", c);
- }
- switchdone: ;
- }
-
- /* Record number of keyfields, terminate list of filenames */
-
- num_infiles = ip - infiles;
- *ip = 0;
-}
-
-/* Return 0 for an argument that is not a switch;
- for a switch, return 1 plus the number of following arguments that the switch swallows.
-*/
-
-int
-classify_arg (arg)
- char *arg;
-{
- if (!strcmp (arg, "-T") || !strcmp (arg, "-o"))
- return 2;
- if (arg[0] == '-')
- return 1;
- return 0;
-}
-\f
-/* Create a name for a temporary file */
-
-char *
-maketempname (count)
- int count;
-{
- char tempsuffix[10];
- sprintf (tempsuffix, "%d", count);
- return concat (tempdir, tempbase, tempsuffix);
-}
-
-/* Delete all temporary files up to the specified count */
-
-void
-flush_tempfiles (to_count)
- int to_count;
-{
- if (keep_tempfiles) return;
- while (last_deleted_tempcount < to_count)
- unlink (maketempname (++last_deleted_tempcount));
-}
-
-/* Copy an input file into a temporary file, and return the temporary file name */
-
-#define BUFSIZE 1024
-
-char *
-tempcopy (idesc)
- int idesc;
-{
- char *outfile = maketempname (++tempcount);
- int odesc;
- char buffer[BUFSIZE];
-
- odesc = open (outfile, O_WRONLY | O_CREAT, 0666);
-
- if (odesc < 0) pfatal_with_name (outfile);
-
- while (1)
- {
- int nread = read (idesc, buffer, BUFSIZE);
- write (odesc, buffer, nread);
- if (!nread) break;
- }
-
- close (odesc);
-
- return outfile;
-}
-\f
-/* Compare two lines, provided as pointers to pointers to text,
- according to the specified set of keyfields */
-
-int
-compare_full (line1, line2)
- char **line1, **line2;
-{
- int i;
-
- /* Compare using the first keyfield;
- if that does not distinguish the lines, try the second keyfield; and so on. */
-
- for (i = 0; i < num_keyfields; i++)
- {
- long length1, length2;
- char *start1 = find_field (&keyfields[i], *line1, &length1);
- char *start2 = find_field (&keyfields[i], *line2, &length2);
- int tem = compare_field (&keyfields[i], start1, length1, *line1 - text_base,
- start2, length2, *line2 - text_base);
- if (tem)
- {
- if (keyfields[i].reverse)
- return - tem;
- return tem;
- }
- }
-
- return 0; /* Lines match exactly */
-}
-
-/* Compare two lines described by structures
- in which the first keyfield is identified in advance.
- For positional sorting, assumes that the order of the lines in core
- reflects their nominal order. */
-
-int
-compare_prepared (line1, line2)
- struct lineinfo *line1, *line2;
-{
- int i;
- int tem;
- char *text1, *text2;
-
- /* Compare using the first keyfield, which has been found for us already */
- if (keyfields->positional)
- {
- if (line1->text - text_base > line2->text - text_base)
- tem = 1;
- else
- tem = -1;
- }
- else if (keyfields->numeric)
- tem = line1->key.number - line2->key.number;
- else
- tem = compare_field (keyfields, line1->key.text, line1->keylen, 0, line2->key.text, line2->keylen, 0);
- if (tem)
- {
- if (keyfields->reverse)
- return - tem;
- return tem;
- }
-
- text1 = line1->text;
- text2 = line2->text;
-
- /* Compare using the second keyfield;
- if that does not distinguish the lines, try the third keyfield; and so on. */
-
- for (i = 1; i < num_keyfields; i++)
- {
- long length1, length2;
- char *start1 = find_field (&keyfields[i], text1, &length1);
- char *start2 = find_field (&keyfields[i], text2, &length2);
- int tem = compare_field (&keyfields[i], start1, length1, text1 - text_base,
- start2, length2, text2 - text_base);
- if (tem)
- {
- if (keyfields[i].reverse)
- return - tem;
- return tem;
- }
- }
-
- return 0; /* Lines match exactly */
-}
-
-/* Like compare_full but more general.
- You can pass any strings, and you can say how many keyfields to use.
- `pos1' and `pos2' should indicate the nominal positional ordering of
- the two lines in the input. */
-
-int
-compare_general (str1, str2, pos1, pos2, use_keyfields)
- char *str1, *str2;
- long pos1, pos2;
- int use_keyfields;
-{
- int i;
-
- /* Compare using the first keyfield;
- if that does not distinguish the lines, try the second keyfield; and so on. */
-
- for (i = 0; i < use_keyfields; i++)
- {
- long length1, length2;
- char *start1 = find_field (&keyfields[i], str1, &length1);
- char *start2 = find_field (&keyfields[i], str2, &length2);
- int tem = compare_field (&keyfields[i], start1, length1, pos1, start2, length2, pos2);
- if (tem)
- {
- if (keyfields[i].reverse)
- return - tem;
- return tem;
- }
- }
-
- return 0; /* Lines match exactly */
-}
-
-/* Find the start and length of a field in `str' according to `keyfield'.
- A pointer to the starting character is returned, and the length
- is stored into the int that `lengthptr' points to. */
-
-char *
-find_field (keyfield, str, lengthptr)
- struct keyfield *keyfield;
- char *str;
- long *lengthptr;
-{
- char *start;
- char *end;
- char *(*fun) ();
-
- if (keyfield->braced) fun = find_braced_pos;
- else fun = find_pos;
-
- start = ( *fun )(str, keyfield->startwords, keyfield->startchars,
- keyfield->ignore_blanks);
- if (keyfield->endwords < 0)
- {
- if (keyfield->braced)
- end = find_braced_end (start);
- else
- {
- end = start;
- while (*end && *end != '\n') end++;
- }
- }
- else
- {
- end = ( *fun )(str, keyfield->endwords, keyfield->endchars, 0);
- if (end - str < start - str) end = start;
- }
- *lengthptr = end - start;
- return start;
-}
-
-/* Find a pointer to a specified place within `str',
- skipping (from the beginning) `words' words and then `chars' chars.
- If `ignore_blanks' is nonzero, we skip all blanks
- after finding the specified word. */
-
-char *
-find_pos (str, words, chars, ignore_blanks)
- char *str;
- int words, chars;
- int ignore_blanks;
-{
- int i;
- char *p = str;
-
- for (i = 0; i < words; i++)
- {
- char c;
- /* Find next bunch of nonblanks and skip them. */
- while ((c = *p) == ' ' || c == '\t') p++;
- while ((c = *p) && c != '\n' && !(c == ' ' || c == '\t')) p++;
- if (!*p || *p == '\n') return p;
- }
-
- while (*p == ' ' || *p == '\t') p++;
-
- for (i = 0; i < chars; i++)
- {
- if (!*p || *p == '\n') break;
- p++;
- }
- return p;
-}
-
-/* Like find_pos but assumes that each field is surrounded by braces
- and that braces within fields are balanced. */
-
-char *
-find_braced_pos (str, words, chars, ignore_blanks)
- char *str;
- int words, chars;
- int ignore_blanks;
-{
- int i;
- int bracelevel;
- char *p = str;
- char c;
-
- for (i = 0; i < words; i++)
- {
- bracelevel = 1;
- while ((c = *p++) != '{' && c != '\n' && c);
- if (c != '{')
- return p - 1;
- while (bracelevel)
- {
- c = *p++;
- if (c == '{') bracelevel++;
- if (c == '}') bracelevel--;
-#if 0
- if (c == '\\' || c == '@') c = *p++; /* \ quotes braces and \ */
-#endif
- if (c == 0 || c == '\n') return p-1;
- }
- }
-
- while ((c = *p++) != '{' && c != '\n' && c);
-
- if (c != '{')
- return p-1;
-
- if (ignore_blanks)
- while ((c = *p) == ' ' || c == '\t') p++;
-
- for (i = 0; i < chars; i++)
- {
- if (!*p || *p == '\n') break;
- p++;
- }
- return p;
-}
-
-/* Find the end of the balanced-brace field which starts at `str'.
- The position returned is just before the closing brace. */
-
-char *
-find_braced_end (str)
- char *str;
-{
- int bracelevel;
- char *p = str;
- char c;
-
- bracelevel = 1;
- while (bracelevel)
- {
- c = *p++;
- if (c == '{') bracelevel++;
- if (c == '}') bracelevel--;
-#if 0
- if (c == '\\' || c == '@') c = *p++;
-#endif
- if (c == 0 || c == '\n') return p-1;
- }
- return p - 1;
-}
-
-long
-find_value (start, length)
- char *start;
- long length;
-{
- while (length != 0L) {
- if (isdigit(*start))
- return atol(start);
- length--;
- start++;
- }
- return 0l;
-}
-
-/* Vector used to translate characters for comparison.
- This is how we make all alphanumerics follow all else,
- and ignore case in the first sorting. */
-int char_order[256];
-
-init_char_order ()
-{
- int i;
- for (i = 1; i < 256; i++)
- char_order[i] = i;
-
- for (i = '0'; i <= '9'; i++)
- char_order[i] += 512;
-
- for (i = 'a'; i <= 'z'; i++) {
- char_order[i] = 512 + i;
- char_order[i + 'A' - 'a'] = 512 + i;
- }
-}
-
-/* Compare two fields (each specified as a start pointer and a character count)
- according to `keyfield'. The sign of the value reports the relation between the fields */
-
-int
-compare_field (keyfield, start1, length1, pos1, start2, length2, pos2)
- struct keyfield *keyfield;
- char *start1;
- long length1;
- long pos1;
- char *start2;
- long length2;
- long pos2;
-{
- if (keyfields->positional)
- {
- if (pos1 > pos2)
- return 1;
- else
- return -1;
- }
- if (keyfield->numeric)
- {
- long value = find_value (start1, length1) - find_value (start2, length2);
- if (value > 0) return 1;
- if (value < 0) return -1;
- return 0;
- }
- else
- {
- char *p1 = start1;
- char *p2 = start2;
- char *e1 = start1 + length1;
- char *e2 = start2 + length2;
-
- int fold_case = keyfield->fold_case;
-
- while (1)
- {
- int c1, c2;
-
- if (p1 == e1) c1 = 0;
- else c1 = *p1++;
- if (p2 == e2) c2 = 0;
- else c2 = *p2++;
-
- if (char_order[c1] != char_order[c2])
- return char_order[c1] - char_order[c2];
- if (!c1) break;
- }
-
- /* Strings are equal except possibly for case. */
- p1 = start1;
- p2 = start2;
- while (1)
- {
- int c1, c2;
-
- if (p1 == e1) c1 = 0;
- else c1 = *p1++;
- if (p2 == e2) c2 = 0;
- else c2 = *p2++;
-
- if (c1 != c2)
- /* Reverse sign here so upper case comes out last. */
- return c2 - c1;
- if (!c1) break;
- }
-
- return 0;
- }
-}
-\f
-/* A `struct linebuffer' is a structure which holds a line of text.
- `readline' reads a line from a stream into a linebuffer
- and works regardless of the length of the line. */
-
-struct linebuffer
- {
- long size;
- char *buffer;
- };
-
-/* Initialize a linebuffer for use */
-
-void
-initbuffer (linebuffer)
- struct linebuffer *linebuffer;
-{
- linebuffer->size = 200;
- linebuffer->buffer = (char *) xmalloc (200);
-}
-
-/* Read a line of text from `stream' into `linebuffer'.
- Return the length of the line. */
-
-long
-readline (linebuffer, stream)
- struct linebuffer *linebuffer;
- FILE *stream;
-{
- char *buffer = linebuffer->buffer;
- char *p = linebuffer->buffer;
- char *end = p + linebuffer->size;
-
- while (1)
- {
- int c = getc (stream);
- if (p == end)
- {
- buffer = (char *) xrealloc (buffer, linebuffer->size *= 2);
- p += buffer - linebuffer->buffer;
- end += buffer - linebuffer->buffer;
- linebuffer->buffer = buffer;
- }
- if (c < 0 || c == '\n')
- {
- *p = 0;
- break;
- }
- *p++ = c;
- }
-
- return p - buffer;
-}
-\f
-/* Sort an input file too big to sort in core. */
-
-void
-sort_offline (infile, nfiles, total, outfile)
- char *infile;
- long total;
- char *outfile;
-{
- int ntemps = 2 * (total + MAX_IN_CORE_SORT - 1) / MAX_IN_CORE_SORT; /* More than enough */
- char **tempfiles = (char **) xmalloc (ntemps * sizeof (char *));
- FILE *istream = fopen (infile, "r");
- int i;
- struct linebuffer lb;
- long linelength;
- int failure = 0;
-
- initbuffer (&lb);
-
- /* Read in one line of input data. */
-
- linelength = readline (&lb, istream);
-
- if (lb.buffer[0] != '\\' && lb.buffer[0] != '@')
- {
- error ("%s: not a texinfo index file", infile);
- return;
- }
-
- /* Split up the input into `ntemps' temporary files, or maybe fewer,
- and put the new files' names into `tempfiles' */
-
- for (i = 0; i < ntemps; i++)
- {
- char *outname = maketempname (++tempcount);
- FILE *ostream = fopen (outname, "w");
- long tempsize = 0;
-
- if (!ostream) pfatal_with_name (outname);
- tempfiles[i] = outname;
-
- /* Copy lines into this temp file as long as it does not make file "too big"
- or until there are no more lines. */
-
- while (tempsize + linelength + 1 <= MAX_IN_CORE_SORT)
- {
- tempsize += linelength + 1;
- fputs (lb.buffer, ostream);
- putc ('\n', ostream);
-
- /* Read another line of input data. */
-
- linelength = readline (&lb, istream);
- if (!linelength && feof (istream)) break;
-
- if (lb.buffer[0] != '\\' && lb.buffer[0] != '@')
- {
- error ("%s: not a texinfo index file", infile);
- failure = 1;
- goto fail;
- }
- }
- fclose (ostream);
- if (feof (istream)) break;
- }
-
- free (lb.buffer);
-
- fail:
- /* Record number of temp files we actually needed. */
-
- ntemps = i;
-
- /* Sort each tempfile into another tempfile.
- Delete the first set of tempfiles and put the names of the second into `tempfiles' */
-
- for (i = 0; i < ntemps; i++)
- {
- char *newtemp = maketempname (++tempcount);
- sort_in_core (&tempfiles[i], MAX_IN_CORE_SORT, newtemp);
- if (!keep_tempfiles)
- unlink (tempfiles[i]);
- tempfiles[i] = newtemp;
- }
-
- if (failure)
- return;
-
- /* Merge the tempfiles together and indexify */
-
- merge_files (tempfiles, ntemps, outfile);
-}
-\f
-/* Sort `infile', whose size is `total',
- assuming that is small enough to be done in-core,
- then indexify it and send the output to `outfile' (or to stdout). */
-
-void
-sort_in_core (infile, total, outfile)
- char *infile;
- long total;
- char *outfile;
-{
- char **nextline;
- char *data = (char *) xmalloc (total + 1);
- char *file_data;
- long file_size;
- int i;
- FILE *ostream = stdout;
- struct lineinfo *lineinfo;
-
- /* Read the contents of the file into the moby array `data' */
-
- int desc = open (infile, 0, 0);
-
- if (desc < 0)
- fatal ("failure reopening %s", infile);
- for (file_size = 0; ; )
- {
- if ((i = read (desc, data + file_size, total - file_size)) <= 0)
- break;
- file_size += i;
- }
- file_data = data;
- data[file_size] = 0;
-
- close (desc);
-
- if (file_size > 0 && data[0] != '\\' && data[0] != '@')
- {
- error ("%s: not a texinfo index file", infile);
- return;
- }
-
- init_char_order ();
-
- /* Sort routines want to know this address */
-
- text_base = data;
-
- /* Create the array of pointers to lines, with a default size frequently enough. */
-
- nlines = total / 50;
- if (!nlines) nlines = 2;
- linearray = (char **) xmalloc (nlines * sizeof (char *));
-
- /* `nextline' points to the next free slot in this array.
- `nlines' is the allocated size. */
-
- nextline = linearray;
-
- /* Parse the input file's data, and make entries for the lines. */
-
- nextline = parsefile (infile, nextline, file_data, file_size);
- if (nextline == 0)
- {
- error ("%s: not a texinfo index file", infile);
- return;
- }
-
- /* Sort the lines */
-
- /* If we have enough space, find the first keyfield of each line in advance.
- Make a `struct lineinfo' for each line, which records the keyfield
- as well as the line, and sort them. */
-
- lineinfo = (struct lineinfo *) malloc ((nextline - linearray) * sizeof (struct lineinfo));
-
- if (lineinfo)
- {
- struct lineinfo *lp;
- char **p;
-
- for (lp = lineinfo, p = linearray; p != nextline; lp++, p++)
- {
- lp->text = *p;
- lp->key.text = find_field (keyfields, *p, &lp->keylen);
- if (keyfields->numeric)
- lp->key.number = find_value (lp->key.text, lp->keylen);
- }
-
- qsort (lineinfo, nextline - linearray, sizeof (struct lineinfo), compare_prepared);
-
- for (lp = lineinfo, p = linearray; p != nextline; lp++, p++)
- *p = lp->text;
-
- free (lineinfo);
- }
- else
- qsort (linearray, nextline - linearray, sizeof (char *), compare_full);
-
- /* Open the output file */
-
- if (outfile)
- {
- ostream = fopen (outfile, "w");
- if (!ostream)
- pfatal_with_name (outfile);
- }
-
- writelines (linearray, nextline - linearray, ostream);
- if (outfile) fclose (ostream);
-
- free (linearray);
- free (data);
-}
-\f
-/* Parse an input string in core into lines.
- DATA is the input string, and SIZE is its length.
- Data goes in LINEARRAY starting at NEXTLINE.
- The value returned is the first entry in LINEARRAY still unused.
- Value 0 means input file contents are invalid. */
-
-char **
-parsefile (filename, nextline, data, size)
- char *filename;
- char **nextline;
- char *data;
- long size;
-{
- char *p, *end;
- char **line = nextline;
-
- p = data;
- end = p + size;
- *end = 0;
-
- while (p != end)
- {
- if (p[0] != '\\' && p[0] != '@')
- return 0;
-
- *line = p;
- while (*p && *p != '\n') p++;
- if (p != end) p++;
-
- line++;
- if (line == linearray + nlines)
- {
- char **old = linearray;
- linearray = (char **) xrealloc (linearray, sizeof (char *) * (nlines *= 4));
- line += linearray - old;
- }
- }
-
- return line;
-}
-\f
-/* Indexification is a filter applied to the sorted lines
- as they are being written to the output file.
- Multiple entries for the same name, with different page numbers,
- get combined into a single entry with multiple page numbers.
- The first braced field, which is used for sorting, is discarded.
- However, its first character is examined, folded to lower case,
- and if it is different from that in the previous line fed to us
- a \initial line is written with one argument, the new initial.
-
- If an entry has four braced fields, then the second and third
- constitute primary and secondary names.
- In this case, each change of primary name
- generates a \primary line which contains only the primary name,
- and in between these are \secondary lines which contain
- just a secondary name and page numbers.
-*/
-
-/* The last primary name we wrote a \primary entry for.
- If only one level of indexing is being done, this is the last name seen */
-char *lastprimary;
-int lastprimarylength; /* Length of storage allocated for lastprimary */
-
-/* Similar, for the secondary name. */
-char *lastsecondary;
-int lastsecondarylength;
-
-/* Zero if we are not in the middle of writing an entry.
- One if we have written the beginning of an entry but have not
- yet written any page numbers into it.
- Greater than one if we have written the beginning of an entry
- plus at least one page number. */
-int pending;
-
-/* The initial (for sorting purposes) of the last primary entry written.
- When this changes, a \initial {c} line is written */
-
-char * lastinitial;
-
-int lastinitiallength;
-
-/* When we need a string of length 1 for the value of lastinitial,
- store it here. */
-
-char lastinitial1[2];
-
-/* Initialize static storage for writing an index */
-
-void
-init_index ()
-{
- pending = 0;
- lastinitial = lastinitial1;
- lastinitial1[0] = 0;
- lastinitial1[1] = 0;
- lastinitiallength = 0;
- lastprimarylength = 100;
- lastprimary = (char *) xmalloc (lastprimarylength + 1);
- bzero (lastprimary, lastprimarylength + 1);
- lastsecondarylength = 100;
- lastsecondary = (char *) xmalloc (lastsecondarylength + 1);
- bzero (lastsecondary, lastsecondarylength + 1);
-}
-
-/* Indexify. Merge entries for the same name,
- insert headers for each initial character, etc. */
-
-indexify (line, ostream)
- char *line;
- FILE *ostream;
-{
- char *primary, *secondary, *pagenumber;
- int primarylength, secondarylength, pagelength;
- int len = strlen (line);
- int nosecondary;
- int initiallength;
- char *initial;
- char initial1[2];
- register char *p;
-
- /* First, analyze the parts of the entry fed to us this time */
-
- p = find_braced_pos (line, 0, 0, 0);
- if (*p == '{')
- {
- initial = p;
- /* Get length of inner pair of braces starting at p,
- including that inner pair of braces. */
- initiallength = find_braced_end (p + 1) + 1 - p;
- }
- else
- {
- initial = initial1;
- initial1[0] = *p;
- initial1[1] = 0;
- initiallength = 1;
-
- if (initial1[0] >= 'a' && initial1[0] <= 'z')
- initial1[0] -= 040;
- }
-
- pagenumber = find_braced_pos (line, 1, 0, 0);
- pagelength = find_braced_end (pagenumber) - pagenumber;
- if (pagelength == 0)
- abort ();
-
- primary = find_braced_pos (line, 2, 0, 0);
- primarylength = find_braced_end (primary) - primary;
-
- secondary = find_braced_pos (line, 3, 0, 0);
- nosecondary = !*secondary;
- if (!nosecondary)
- secondarylength = find_braced_end (secondary) - secondary;
-
- /* If the primary is different from before, make a new primary entry */
- if (strncmp (primary, lastprimary, primarylength))
- {
- /* Close off current secondary entry first, if one is open */
- if (pending)
- {
- fputs ("}\n", ostream);
- pending = 0;
- }
-
- /* If this primary has a different initial, include an entry for the initial */
- if (initiallength != lastinitiallength ||
- strncmp (initial, lastinitial, initiallength))
- {
- fprintf (ostream, "\\initial {");
- fwrite (initial, 1, initiallength, ostream);
- fprintf (ostream, "}\n", initial);
- if (initial == initial1)
- {
- lastinitial = lastinitial1;
- *lastinitial1 = *initial1;
- }
- else
- {
- lastinitial = initial;
- }
- lastinitiallength = initiallength;
- }
-
- /* Make the entry for the primary. */
- if (nosecondary)
- fputs ("\\entry {", ostream);
- else
- fputs ("\\primary {", ostream);
- fwrite (primary, primarylength, 1, ostream);
- if (nosecondary)
- {
- fputs ("}{", ostream);
- pending = 1;
- }
- else
- fputs ("}\n", ostream);
-
- /* Record name of most recent primary */
- if (lastprimarylength < primarylength)
- {
- lastprimarylength = primarylength + 100;
- lastprimary = (char *) xrealloc (lastprimary,
- 1 + lastprimarylength);
- }
- strncpy (lastprimary, primary, primarylength);
- lastprimary[primarylength] = 0;
-
- /* There is no current secondary within this primary, now */
- lastsecondary[0] = 0;
- }
-
- /* Should not have an entry with no subtopic following one with a subtopic */
-
- if (nosecondary && *lastsecondary)
- error ("entry %s follows an entry with a secondary name", line);
-
- /* Start a new secondary entry if necessary */
- if (!nosecondary && strncmp (secondary, lastsecondary, secondarylength))
- {
- if (pending)
- {
- fputs ("}\n", ostream);
- pending = 0;
- }
-
- /* Write the entry for the secondary. */
- fputs ("\\secondary {", ostream);
- fwrite (secondary, secondarylength, 1, ostream);
- fputs ("}{", ostream);
- pending = 1;
-
- /* Record name of most recent secondary */
- if (lastsecondarylength < secondarylength)
- {
- lastsecondarylength = secondarylength + 100;
- lastsecondary = (char *) xrealloc (lastsecondary,
- 1 + lastsecondarylength);
- }
- strncpy (lastsecondary, secondary, secondarylength);
- lastsecondary[secondarylength] = 0;
- }
-
- /* Here to add one more page number to the current entry */
- if (pending++ != 1)
- fputs (", ", ostream); /* Punctuate first, if this is not the first */
- fwrite (pagenumber, pagelength, 1, ostream);
-}
-
-/* Close out any unfinished output entry */
-
-void
-finish_index (ostream)
- FILE *ostream;
-{
- if (pending)
- fputs ("}\n", ostream);
- free (lastprimary);
- free (lastsecondary);
-}
-\f
-/* Copy the lines in the sorted order.
- Each line is copied out of the input file it was found in. */
-
-void
-writelines (linearray, nlines, ostream)
- char **linearray;
- int nlines;
- FILE *ostream;
-{
- char **stop_line = linearray + nlines;
- char **next_line;
-
- init_index ();
-
- /* Output the text of the lines, and free the buffer space */
-
- for (next_line = linearray; next_line != stop_line; next_line++)
- {
- /* If -u was specified, output the line only if distinct from previous one. */
- if (next_line == linearray
- /* Compare previous line with this one, using only the explicitly specd keyfields */
- || compare_general (*(next_line - 1), *next_line, 0L, 0L, num_keyfields - 1))
- {
- char *p = *next_line;
- char c;
- while ((c = *p++) && c != '\n');
- *(p-1) = 0;
- indexify (*next_line, ostream);
- }
- }
-
- finish_index (ostream);
-}
-\f
-/* Assume (and optionally verify) that each input file is sorted;
- merge them and output the result.
- Returns nonzero if any input file fails to be sorted.
-
- This is the high-level interface that can handle an unlimited number of files. */
-
-#define MAX_DIRECT_MERGE 10
-
-int
-merge_files (infiles, nfiles, outfile)
- char **infiles;
- int nfiles;
- char *outfile;
-{
- char **tempfiles;
- int ntemps;
- int i;
- int value = 0;
- int start_tempcount = tempcount;
-
- if (nfiles <= MAX_DIRECT_MERGE)
- return merge_direct (infiles, nfiles, outfile);
-
- /* Merge groups of MAX_DIRECT_MERGE input files at a time,
- making a temporary file to hold each group's result. */
-
- ntemps = (nfiles + MAX_DIRECT_MERGE - 1) / MAX_DIRECT_MERGE;
- tempfiles = (char **) xmalloc (ntemps * sizeof (char *));
- for (i = 0; i < ntemps; i++)
- {
- int nf = MAX_DIRECT_MERGE;
- if (i + 1 == ntemps)
- nf = nfiles - i * MAX_DIRECT_MERGE;
- tempfiles[i] = maketempname (++tempcount);
- value |= merge_direct (&infiles[i * MAX_DIRECT_MERGE], nf, tempfiles[i]);
- }
-
- /* All temporary files that existed before are no longer needed
- since their contents have been merged into our new tempfiles.
- So delete them. */
- flush_tempfiles (start_tempcount);
-
- /* Now merge the temporary files we created. */
-
- merge_files (tempfiles, ntemps, outfile);
-
- free (tempfiles);
-
- return value;
-}
-\f
-/* Assume (and optionally verify) that each input file is sorted;
- merge them and output the result.
- Returns nonzero if any input file fails to be sorted.
-
- This version of merging will not work if the number of
- input files gets too high. Higher level functions
- use it only with a bounded number of input files. */
-
-int
-merge_direct (infiles, nfiles, outfile)
- char **infiles;
- int nfiles;
- char *outfile;
-{
- char **ip = infiles;
- struct linebuffer *lb1, *lb2;
- struct linebuffer **thisline, **prevline;
- FILE **streams;
- int i;
- int nleft;
- int lossage = 0;
- int *file_lossage;
- struct linebuffer *prev_out = 0;
- FILE *ostream = stdout;
-
- if (outfile)
- {
- ostream = fopen (outfile, "w");
- }
- if (!ostream) pfatal_with_name (outfile);
-
- init_index ();
-
- if (nfiles == 0)
- {
- if (outfile)
- fclose (ostream);
- return 0;
- }
-
- /* For each file, make two line buffers.
- Also, for each file, there is an element of `thisline'
- which points at any time to one of the file's two buffers,
- and an element of `prevline' which points to the other buffer.
- `thisline' is supposed to point to the next available line from the file,
- while `prevline' holds the last file line used,
- which is remembered so that we can verify that the file is properly sorted. */
-
- /* lb1 and lb2 contain one buffer each per file */
- lb1 = (struct linebuffer *) xmalloc (nfiles * sizeof (struct linebuffer));
- lb2 = (struct linebuffer *) xmalloc (nfiles * sizeof (struct linebuffer));
-
- /* thisline[i] points to the linebuffer holding the next available line in file i,
- or is zero if there are no lines left in that file. */
- thisline = (struct linebuffer **) xmalloc (nfiles * sizeof (struct linebuffer *));
- /* prevline[i] points to the linebuffer holding the last used line from file i.
- This is just for verifying that file i is properly sorted. */
- prevline = (struct linebuffer **) xmalloc (nfiles * sizeof (struct linebuffer *));
- /* streams[i] holds the input stream for file i. */
- streams = (FILE **) xmalloc (nfiles * sizeof (FILE *));
- /* file_lossage[i] is nonzero if we already know file i is not properly sorted. */
- file_lossage = (int *) xmalloc (nfiles * sizeof (int));
-
- /* Allocate and initialize all that storage */
-
- for (i = 0; i < nfiles; i++)
- {
- initbuffer (&lb1[i]);
- initbuffer (&lb2[i]);
- thisline[i] = &lb1[i];
- prevline[i] = &lb2[i];
- file_lossage[i] = 0;
- streams[i] = fopen (infiles[i], "r");
- if (!streams[i])
- pfatal_with_name (infiles[i]);
-
- readline (thisline[i], streams[i]);
- }
-
- /* Keep count of number of files not at eof */
- nleft = nfiles;
-
- while (nleft)
- {
- struct linebuffer *best = 0;
- struct linebuffer *exch;
- int bestfile = -1;
- int i;
-
- /* Look at the next avail line of each file; choose the least one. */
-
- for (i = 0; i < nfiles; i++)
- {
- if (thisline[i] &&
- (!best ||
- 0 < compare_general (best->buffer, thisline[i]->buffer,
- (long) bestfile, (long) i, num_keyfields)))
- {
- best = thisline[i];
- bestfile = i;
- }
- }
-
- /* Output that line, unless it matches the previous one and we don't want duplicates */
-
- if (!(prev_out &&
- !compare_general (prev_out->buffer, best->buffer, 0L, 1L, num_keyfields - 1)))
- indexify (best->buffer, ostream);
- prev_out = best;
-
- /* Now make the line the previous of its file, and fetch a new line from that file */
-
- exch = prevline[bestfile];
- prevline[bestfile] = thisline[bestfile];
- thisline[bestfile] = exch;
-
- while (1)
- {
- /* If the file has no more, mark it empty */
-
- if (feof (streams[bestfile]))
- {
- thisline[bestfile] = 0;
- nleft--; /* Update the number of files still not empty */
- break;
- }
- readline (thisline[bestfile], streams[bestfile]);
- if (thisline[bestfile]->buffer[0] || !feof (streams[bestfile])) break;
- }
- }
-
- finish_index (ostream);
-
- /* Free all storage and close all input streams */
-
- for (i = 0; i < nfiles; i++)
- {
- fclose (streams[i]);
- free (lb1[i].buffer);
- free (lb2[i].buffer);
- }
- free (file_lossage);
- free (lb1);
- free (lb2);
- free (thisline);
- free (prevline);
- free (streams);
-
- if (outfile)
- fclose (ostream);
-
- return lossage;
-}
-\f
-/* Print error message and exit. */
-
-fatal (s1, s2)
- char *s1, *s2;
-{
- error (s1, s2);
- exit (EXIT_FATAL);
-}
-
-/* Print error message. `s1' is printf control string, `s2' is arg for it. */
-
-error (s1, s2)
- char *s1, *s2;
-{
- printf ("texindex: ");
- printf (s1, s2);
- printf ("\n");
-}
-
-perror_with_name (name)
- char *name;
-{
- char *s;
-
- if (errno < sys_nerr)
- s = concat ("", sys_errlist[errno], " for %s");
- else
- s = "cannot open %s";
- error (s, name);
-}
-
-pfatal_with_name (name)
- char *name;
-{
- char *s;
-
- if (errno < sys_nerr)
- s = concat ("", sys_errlist[errno], " for %s");
- else
- s = "cannot open %s";
- fatal (s, name);
-}
-
-/* Return a newly-allocated string whose contents concatenate those of s1, s2, s3. */
-
-char *
-concat (s1, s2, s3)
- char *s1, *s2, *s3;
-{
- int len1 = strlen (s1), len2 = strlen (s2), len3 = strlen (s3);
- char *result = (char *) xmalloc (len1 + len2 + len3 + 1);
-
- strcpy (result, s1);
- strcpy (result + len1, s2);
- strcpy (result + len1 + len2, s3);
- *(result + len1 + len2 + len3) = 0;
-
- return result;
-}
-
-/* Like malloc but get fatal error if memory is exhausted. */
-
-int
-xmalloc (size)
- int size;
-{
- int result = malloc (size);
- if (!result)
- fatal ("virtual memory exhausted", 0);
- return result;
-}
-
-
-int
-xrealloc (ptr, size)
- char *ptr;
- int size;
-{
- int result = realloc (ptr, size);
- if (!result)
- fatal ("virtual memory exhausted");
- return result;
-}
-
-bzero (b, length)
- register char *b;
- register int length;
-{
-#ifdef VMS
- short zero = 0;
- long max_str = 65535;
- long len;
-
- while (length > max_str)
- {
- (void) LIB$MOVC5 (&zero, &zero, &zero, &max_str, b);
- length -= max_str;
- b += max_str;
- }
- len = length;
- (void) LIB$MOVC5 (&zero, &zero, &zero, &len, b);
-#else
- while (length-- > 0)
- *b++ = 0;
-#endif /* not VMS */
-}
+++ /dev/null
-%% TeX macros to handle texinfo files
-
-% Copyright (C) 1985, 1986, 1988, 1990, 1991 Free Software Foundation, Inc.
-
-%This texinfo.tex file is free software; you can redistribute it and/or
-%modify it under the terms of the GNU General Public License as
-%published by the Free Software Foundation; either version 2, or (at
-%your option) any later version.
-
-%This texinfo.tex file is distributed in the hope that it will be
-%useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-%of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-%General Public License for more details.
-
-%You should have received a copy of the GNU General Public License
-%along with this texinfo.tex file; see the file COPYING. If not, write
-%to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139,
-%USA.
-
-
-%In other words, you are welcome to use, share and improve this program.
-%You are forbidden to forbid anyone else to use, share and improve
-%what you give them. Help stamp out software-hoarding!
-
-\def\texinfoversion{2.46}
-\message{Loading texinfo package [Version \texinfoversion]:}
-\message{}
-
-% Print the version number if in a .fmt file.
-\everyjob{\message{[Texinfo version \texinfoversion]}\message{}}
-
-% Save some parts of plain tex whose names we will redefine.
-
-\let\ptexlbrace=\{
-\let\ptexrbrace=\}
-\let\ptexdots=\dots
-\let\ptexdot=\.
-\let\ptexstar=\*
-\let\ptexend=\end
-\let\ptexbullet=\bullet
-\let\ptexb=\b
-\let\ptexc=\c
-\let\ptexi=\i
-\let\ptext=\t
-\let\ptexl=\l
-\let\ptexL=\L
-
-\def\tie{\penalty 10000\ } % Save plain tex definition of ~.
-
-\message{Basics,}
-\chardef\other=12
-
-\hyphenation{ap-pen-dix}
-\hyphenation{mini-buf-fer mini-buf-fers}
-\hyphenation{eshell}
-
-% Margin to add to right of even pages, to left of odd pages.
-\newdimen \bindingoffset \bindingoffset=0pt
-\newdimen \normaloffset \normaloffset=\hoffset
-\newdimen\pagewidth \newdimen\pageheight
-\pagewidth=\hsize \pageheight=\vsize
-
-%---------------------Begin change-----------------------
-%
-% Dimensions to add cropmarks at corners Added by P. A. MacKay, 12 Nov. 1986
-%
-\newdimen\cornerlong \newdimen\cornerthick
-\newdimen \topandbottommargin
-\newdimen \outerhsize \newdimen \outervsize
-\cornerlong=1pc\cornerthick=.3pt % These set size of cropmarks
-\outerhsize=7in
-\outervsize=9.5in
-\topandbottommargin=.75in
-%
-%---------------------End change-----------------------
-
-% \onepageout takes a vbox as an argument. Note that \pagecontents
-% does insertions itself, but you have to call it yourself.
-\chardef\PAGE=255 \output={\onepageout{\pagecontents\PAGE}}
-\def\onepageout#1{\hoffset=\normaloffset
-\ifodd\pageno \advance\hoffset by \bindingoffset
-\else \advance\hoffset by -\bindingoffset\fi
-{\escapechar=`\\\relax % makes sure backslash is used in output files.
-\shipout\vbox{{\let\hsize=\pagewidth \makeheadline} \pagebody{#1}%
-{\let\hsize=\pagewidth \makefootline}}}%
-\advancepageno \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
-
-
-% Here is a modification of the main output routine for Near East Publications
-% This provides right-angle cropmarks at all four corners.
-% The contents of the page are centerlined into the cropmarks,
-% and any desired binding offset is added as an \hskip on either
-% site of the centerlined box. (P. A. MacKay, 12 November, 1986)
-%
-\def\croppageout#1{\hoffset=0pt % make sure this doesn't mess things up
- \shipout
- \vbox to \outervsize{\hsize=\outerhsize
- \vbox{\line{\ewtop\hfill\ewtop}}
- \nointerlineskip
- \line{\vbox{\moveleft\cornerthick\nstop}
- \hfill
- \vbox{\moveright\cornerthick\nstop}}
- \vskip \topandbottommargin
- \centerline{\ifodd\pageno\hskip\bindingoffset\fi
- \vbox{
- {\let\hsize=\pagewidth \makeheadline}
- \pagebody{#1}
- {\let\hsize=\pagewidth \makefootline}}
- \ifodd\pageno\else\hskip\bindingoffset\fi}
- \vskip \topandbottommargin plus1fill minus1fill
- \boxmaxdepth\cornerthick
- \line{\vbox{\moveleft\cornerthick\nsbot}
- \hfill
- \vbox{\moveright\cornerthick\nsbot}}
- \nointerlineskip
- \vbox{\line{\ewbot\hfill\ewbot}}
- }
- \advancepageno
- \ifnum\outputpenalty>-20000 \else\dosupereject\fi}
-%
-% Do @cropmarks to get crop marks
-\def\cropmarks{\let\onepageout=\croppageout }
-
-\def\pagebody#1{\vbox to\pageheight{\boxmaxdepth=\maxdepth #1}}
-{\catcode`\@ =11
-\gdef\pagecontents#1{\ifvoid\topins\else\unvbox\topins\fi
-\dimen@=\dp#1 \unvbox#1
-\ifvoid\footins\else\vskip\skip\footins\footnoterule \unvbox\footins\fi
-\ifr@ggedbottom \kern-\dimen@ \vfil \fi}
-}
-
-%
-% Here are the rules for the cropmarks. Note that they are
-% offset so that the space between them is truly \outerhsize or \outervsize
-% (P. A. MacKay, 12 November, 1986)
-%
-\def\ewtop{\vrule height\cornerthick depth0pt width\cornerlong}
-\def\nstop{\vbox
- {\hrule height\cornerthick depth\cornerlong width\cornerthick}}
-\def\ewbot{\vrule height0pt depth\cornerthick width\cornerlong}
-\def\nsbot{\vbox
- {\hrule height\cornerlong depth\cornerthick width\cornerthick}}
-
-% Parse an argument, then pass it to #1.
-% The argument can be delimited with [...] or with "..." or braces
-% or it can be a whole line.
-% #1 should be a macro which expects
-% an ordinary undelimited TeX argument.
-
-\def\parsearg #1{\let\next=#1\begingroup\obeylines\futurelet\temp\parseargx}
-
-\def\parseargx{%
-\ifx \obeyedspace\temp \aftergroup\parseargdiscardspace \else%
-\aftergroup \parseargline %
-\fi \endgroup}
-
-{\obeyspaces %
-\gdef\parseargdiscardspace {\begingroup\obeylines\futurelet\temp\parseargx}}
-
-\gdef\obeyedspace{\ }
-
-\def\parseargline{\begingroup \obeylines \parsearglinex}
-{\obeylines %
-\gdef\parsearglinex #1^^M{\endgroup \next {#1}}}
-
-\def\flushcr{\ifx\par\lisppar \def\next##1{}\else \let\next=\relax \fi \next}
-
-%% These are used to keep @begin/@end levels from running away
-%% Call \inENV within environments (after a \begingroup)
-\newif\ifENV \ENVfalse \def\inENV{\ifENV\relax\else\ENVtrue\fi}
-\def\ENVcheck{%
-\ifENV\errmessage{Still within an environment. Type Return to continue.}
-\endgroup\fi} % This is not perfect, but it should reduce lossage
-
-% @begin foo is the same as @foo, for now.
-\newhelp\EMsimple{Type <Return> to continue}
-
-\outer\def\begin{\parsearg\beginxxx}
-
-\def\beginxxx #1{%
-\expandafter\ifx\csname #1\endcsname\relax
-{\errhelp=\EMsimple \errmessage{Undefined command @begin #1}}\else
-\csname #1\endcsname\fi}
-
-%% @end foo executes the definition of \Efoo.
-%% foo can be delimited by doublequotes or brackets.
-
-\def\end{\parsearg\endxxx}
-
-\def\endxxx #1{%
-\expandafter\ifx\csname E#1\endcsname\relax
-\expandafter\ifx\csname #1\endcsname\relax
-\errmessage{Undefined command @end #1}\else
-\errorE{#1}\fi\fi
-\csname E#1\endcsname}
-\def\errorE#1{
-{\errhelp=\EMsimple \errmessage{@end #1 not within #1 environment}}}
-
-% Single-spacing is done by various environments.
-
-\newskip\singlespaceskip \singlespaceskip = \baselineskip
-\def\singlespace{%
-{\advance \baselineskip by -\singlespaceskip
-\kern \baselineskip}%
-\baselineskip=\singlespaceskip
-}
-
-%% Simple single-character @ commands
-
-% @@ prints an @
-% Kludge this until the fonts are right (grr).
-\def\@{{\tt \char '100}}
-
-% Define @` and @' to be the same as ` and '
-% but suppressing ligatures.
-\def\`{{`}}
-\def\'{{'}}
-
-% Used to generate quoted braces.
-
-\def\mylbrace {{\tt \char '173}}
-\def\myrbrace {{\tt \char '175}}
-\let\{=\mylbrace
-\let\}=\myrbrace
-
-% @: forces normal size whitespace following.
-\def\:{\spacefactor=1000 }
-
-% @* forces a line break.
-\def\*{\hfil\break\hbox{}\ignorespaces}
-
-% @. is an end-of-sentence period.
-\def\.{.\spacefactor=3000 }
-
-% @w prevents a word break
-\def\w #1{\hbox{#1}}
-
-% @group ... @end group forces ... to be all on one page.
-
-\def\group{\begingroup% \inENV ???
-\def \Egroup{\egroup\endgroup}
-\vbox\bgroup}
-
-% @need space-in-mils
-% forces a page break if there is not space-in-mils remaining.
-
-\newdimen\mil \mil=0.001in
-
-\def\need{\parsearg\needx}
-
-\def\needx #1{\par %
-% This method tries to make TeX break the page naturally
-% if the depth of the box does not fit.
-{\baselineskip=0pt%
-\vtop to #1\mil{\vfil}\kern -#1\mil\penalty 10000
-\prevdepth=-1000pt
-}}
-
-% @br forces paragraph break
-
-\let\br = \par
-
-% @dots{} output some dots
-
-\def\dots{$\ldots$}
-
-% @page forces the start of a new page
-
-\def\page{\par\vfill\supereject}
-
-% @exdent text....
-% outputs text on separate line in roman font, starting at standard page margin
-
-\def\exdent{\errmessage{@exdent in filled text}}
- % @lisp, etc, define \exdent locally from \internalexdent
-
-{\obeyspaces
-\gdef\internalexdent{\parsearg\exdentzzz}}
-
-\def\exdentzzz #1{{\advance \leftskip by -\lispnarrowing
-\advance \hsize by -\leftskip
-\advance \hsize by -\rightskip
-\leftline{{\rm#1}}}}
-
-% @include file insert text of that file as input.
-
-\def\include{\parsearg\includezzz}
-\def\includezzz #1{{\def\thisfile{#1}\input #1
-}}
-
-\def\thisfile{}
-
-% @center line outputs that line, centered
-
-\def\center{\parsearg\centerzzz}
-\def\centerzzz #1{{\advance\hsize by -\leftskip
-\advance\hsize by -\rightskip
-\centerline{#1}}}
-
-% @sp n outputs n lines of vertical space
-
-\def\sp{\parsearg\spxxx}
-\def\spxxx #1{\par \vskip #1\baselineskip}
-
-% @comment ...line which is ignored...
-% @c is the same as @comment
-% @ignore ... @end ignore is another way to write a comment
-
-\def\comment{\catcode 64=\other \catcode 123=\other \catcode 125=\other%
-\parsearg \commentxxx}
-
-\def\commentxxx #1{\catcode 64=0 \catcode 123=1 \catcode 125=2 }
-
-\let\c=\comment
-
-% Prevent errors for section commands.
-% Used in @ignore and in failing conditionals.
-\def\ignoresections{%
-\let\chapter=\relax
-\let\unnumbered=\relax
-\let\top=\relax
-\let\unnumberedsec=\relax
-\let\unnumberedsection=\relax
-\let\unnumberedsubsec=\relax
-\let\unnumberedsubsection=\relax
-\let\unnumberedsubsubsec=\relax
-\let\unnumberedsubsubsection=\relax
-\let\section=\relax
-\let\subsec=\relax
-\let\subsubsec=\relax
-\let\subsection=\relax
-\let\subsubsection=\relax
-\let\appendix=\relax
-\let\appendixsec=\relax
-\let\appendixsection=\relax
-\let\appendixsubsec=\relax
-\let\appendixsubsection=\relax
-\let\appendixsubsubsec=\relax
-\let\appendixsubsubsection=\relax
-\let\contents=\relax
-\let\smallbook=\relax
-\let\titlepage=\relax
-}
-
-\def\ignore{\begingroup\ignoresections
-% Make sure that spaces turn into tokens that match what \ignorexxx wants.
-\catcode32=10
-\ignorexxx}
-\long\def\ignorexxx #1\end ignore{\endgroup\ignorespaces}
-
-\def\direntry{\begingroup\direntryxxx}
-\long\def\direntryxxx #1\end direntry{\endgroup\ignorespaces}
-
-% Conditionals to test whether a flag is set.
-
-\outer\def\ifset{\begingroup\ignoresections\parsearg\ifsetxxx}
-
-\def\ifsetxxx #1{\endgroup
-\expandafter\ifx\csname IF#1\endcsname\relax \let\temp=\ifsetfail
-\else \let\temp=\relax \fi
-\temp}
-\def\Eifset{}
-\def\ifsetfail{\begingroup\ignoresections\ifsetfailxxx}
-\long\def\ifsetfailxxx #1\end ifset{\endgroup\ignorespaces}
-
-\outer\def\ifclear{\begingroup\ignoresections\parsearg\ifclearxxx}
-
-\def\ifclearxxx #1{\endgroup
-\expandafter\ifx\csname IF#1\endcsname\relax \let\temp=\relax
-\else \let\temp=\ifclearfail \fi
-\temp}
-\def\Eifclear{}
-\def\ifclearfail{\begingroup\ignoresections\ifclearfailxxx}
-\long\def\ifclearfailxxx #1\end ifclear{\endgroup\ignorespaces}
-
-% Some texinfo constructs that are trivial in tex
-
-\def\iftex{}
-\def\Eiftex{}
-\def\ifinfo{\begingroup\ignoresections\ifinfoxxx}
-\long\def\ifinfoxxx #1\end ifinfo{\endgroup\ignorespaces}
-
-\long\def\menu #1\end menu{}
-\def\asis#1{#1}
-
-% @math means output in math mode.
-% We don't use $'s directly in the definition of \math because control
-% sequences like \math are expanded when the toc file is written. Then,
-% we read the toc file back, the $'s will be normal characters (as they
-% should be, according to the definition of Texinfo). So we must use a
-% control sequence to switch into and out of math mode.
-%
-% This isn't quite enough for @math to work properly in indices, but it
-% seems unlikely it will ever be needed there.
-%
-\let\implicitmath = $
-\def\math#1{\implicitmath #1\implicitmath}
-
-\def\node{\ENVcheck\parsearg\nodezzz}
-\def\nodezzz#1{\nodexxx [#1,]}
-\def\nodexxx[#1,#2]{\gdef\lastnode{#1}}
-\let\lastnode=\relax
-
-\def\donoderef{\ifx\lastnode\relax\else
-\expandafter\expandafter\expandafter\setref{\lastnode}\fi
-\let\lastnode=\relax}
-
-\def\unnumbnoderef{\ifx\lastnode\relax\else
-\expandafter\expandafter\expandafter\unnumbsetref{\lastnode}\fi
-\let\lastnode=\relax}
-
-\def\appendixnoderef{\ifx\lastnode\relax\else
-\expandafter\expandafter\expandafter\appendixsetref{\lastnode}\fi
-\let\lastnode=\relax}
-
-\let\refill=\relax
-
-% @setfilename is done at the beginning of every texinfo file.
-% So open here the files we need to have open while reading the input.
-% This makes it possible to make a .fmt file for texinfo.
-\def\setfilename{%
- \readauxfile
- \opencontents
- \openindices
- \fixbackslash % Turn off hack to swallow `\input texinfo'.
- \global\let\setfilename=\comment % Ignore extra @setfilename cmds.
- \comment % Ignore the actual filename.
-}
-
-\outer\def\bye{\pagealignmacro\tracingstats=1\ptexend}
-
-\def\inforef #1{\inforefzzz #1,,,,**}
-\def\inforefzzz #1,#2,#3,#4**{See Info file \file{\losespace#3{}},
- node \samp{\losespace#1{}}}
-\def\losespace #1{#1}
-
-\message{fonts,}
-
-% Font-change commands.
-
-% Texinfo supports the sans serif font style, which plain TeX does not.
-% So we set up a \sf analogous to plain's \rm, etc.
-\newfam\sffam
-\def\sf{\fam=\sffam \tensf}
-\let\li = \sf % Sometimes we call it \li, not \sf.
-
-%% Try out Computer Modern fonts at \magstephalf
-\font\textrm=cmr10 scaled \magstephalf
-\font\texttt=cmtt10 scaled \magstephalf
-% Instead of cmb10, you many want to use cmbx10.
-% cmbx10 is a prettier font on its own, but cmb10
-% looks better when embedded in a line with cmr10.
-\font\textbf=cmb10 scaled \magstephalf
-\font\textit=cmti10 scaled \magstephalf
-\font\textsl=cmsl10 scaled \magstephalf
-\font\textsf=cmss10 scaled \magstephalf
-\font\textsc=cmcsc10 scaled \magstephalf
-\font\texti=cmmi10 scaled \magstephalf
-\font\textsy=cmsy10 scaled \magstephalf
-
-% A few fonts for @defun, etc.
-\font\defbf=cmbx10 scaled \magstep1 %was 1314
-\font\deftt=cmtt10 scaled \magstep1
-\def\df{\let\tentt=\deftt \let\tenbf = \defbf \bf}
-
-% Fonts for indices and small examples.
-% We actually use the slanted font rather than the italic,
-% because texinfo normally uses the slanted fonts for that.
-% Do not make many font distinctions in general in the index, since they
-% aren't very useful.
-\font\ninett=cmtt9
-\font\indrm=cmr9
-\font\indit=cmsl9
-\let\indsl=\indit
-\let\indtt=\ninett
-\let\indsf=\indrm
-\let\indbf=\indrm
-\let\indsc=\indrm
-\font\indi=cmmi9
-\font\indsy=cmsy9
-
-% Fonts for headings
-\font\chaprm=cmbx12 scaled \magstep2
-\font\chapit=cmti12 scaled \magstep2
-\font\chapsl=cmsl12 scaled \magstep2
-\font\chaptt=cmtt12 scaled \magstep2
-\font\chapsf=cmss12 scaled \magstep2
-\let\chapbf=\chaprm
-\font\chapsc=cmcsc10 scaled\magstep3
-\font\chapi=cmmi12 scaled \magstep2
-\font\chapsy=cmsy10 scaled \magstep3
-
-\font\secrm=cmbx12 scaled \magstep1
-\font\secit=cmti12 scaled \magstep1
-\font\secsl=cmsl12 scaled \magstep1
-\font\sectt=cmtt12 scaled \magstep1
-\font\secsf=cmss12 scaled \magstep1
-\font\secbf=cmbx12 scaled \magstep1
-\font\secsc=cmcsc10 scaled\magstep2
-\font\seci=cmmi12 scaled \magstep1
-\font\secsy=cmsy10 scaled \magstep2
-
-% \font\ssecrm=cmbx10 scaled \magstep1 % This size an font looked bad.
-% \font\ssecit=cmti10 scaled \magstep1 % The letters were too crowded.
-% \font\ssecsl=cmsl10 scaled \magstep1
-% \font\ssectt=cmtt10 scaled \magstep1
-% \font\ssecsf=cmss10 scaled \magstep1
-
-%\font\ssecrm=cmb10 scaled 1315 % Note the use of cmb rather than cmbx.
-%\font\ssecit=cmti10 scaled 1315 % Also, the size is a little larger than
-%\font\ssecsl=cmsl10 scaled 1315 % being scaled magstep1.
-%\font\ssectt=cmtt10 scaled 1315
-%\font\ssecsf=cmss10 scaled 1315
-
-%\let\ssecbf=\ssecrm
-
-\font\ssecrm=cmbx12 scaled \magstephalf
-\font\ssecit=cmti12 scaled \magstephalf
-\font\ssecsl=cmsl12 scaled \magstephalf
-\font\ssectt=cmtt12 scaled \magstephalf
-\font\ssecsf=cmss12 scaled \magstephalf
-\font\ssecbf=cmbx12 scaled \magstephalf
-\font\ssecsc=cmcsc10 scaled \magstep1
-\font\sseci=cmmi12 scaled \magstephalf
-\font\ssecsy=cmsy10 scaled \magstep1
-% The smallcaps and symbol fonts should actually be scaled \magstep1.5,
-% but that is not a standard magnification.
-
-% Fonts for title page:
-\font\titlerm = cmbx12 scaled \magstep3
-\let\authorrm = \secrm
-
-% In order for the font changes to affect most math symbols and letters,
-% we have to define the \textfont of the standard families. Since
-% texinfo doesn't allow for producing subscripts and superscripts, we
-% don't bother to reset \scriptfont and \scriptscriptfont (which would
-% also require loading a lot more fonts).
-%
-\def\resetmathfonts{%
- \textfont0 = \tenrm \textfont1 = \teni \textfont2 = \tensy
- \textfont\itfam = \tenit \textfont\slfam = \tensl \textfont\bffam = \tenbf
- \textfont\ttfam = \tentt \textfont\sffam = \tensf
-}
-
-
-% The font-changing commands redefine the meanings of \tenSTYLE, instead
-% of just \STYLE. We do this so that font changes will continue to work
-% in math mode, where it is the current \fam that is relevant in most
-% cases, not the current. Plain TeX does, for example,
-% \def\bf{\fam=\bffam \tenbf} By redefining \tenbf, we obviate the need
-% to redefine \bf itself.
-\def\textfonts{%
- \let\tenrm=\textrm \let\tenit=\textit \let\tensl=\textsl
- \let\tenbf=\textbf \let\tentt=\texttt \let\smallcaps=\textsc
- \let\tensf=\textsf \let\teni=\texti \let\tensy=\textsy
- \resetmathfonts}
-\def\chapfonts{%
- \let\tenrm=\chaprm \let\tenit=\chapit \let\tensl=\chapsl
- \let\tenbf=\chapbf \let\tentt=\chaptt \let\smallcaps=\chapsc
- \let\tensf=\chapsf \let\teni=\chapi \let\tensy=\chapsy
- \resetmathfonts}
-\def\secfonts{%
- \let\tenrm=\secrm \let\tenit=\secit \let\tensl=\secsl
- \let\tenbf=\secbf \let\tentt=\sectt \let\smallcaps=\sectt
- \let\tensf=\secsf \let\teni=\seci \let\tensy=\secsy
- \resetmathfonts}
-\def\subsecfonts{%
- \let\tenrm=\ssecrm \let\tenit=\ssecit \let\tensl=\ssecsl
- \let\tenbf=\ssecbf \let\tentt=\ssectt \let\smallcaps=\ssecsc
- \let\tensf=\ssecsf \let\teni=\sseci \let\tensy=\ssecsy
- \resetmathfonts}
-\def\indexfonts{%
- \let\tenrm=\indrm \let\tenit=\tenit \let\tensl=\indsl
- \let\tenbf=\indbf \let\tentt=\indtt \let\smallcaps=\indsc
- \let\tensf=\indsf \let\teni=\indi \let\tensy=\indsy
- \resetmathfonts}
-
-% Set up the default fonts, so we can use them for creating boxes.
-%
-\textfonts
-
-% Count depth in font-changes, for error checks
-\newcount\fontdepth \fontdepth=0
-
-% Fonts for short table of contents.
-\font\shortcontrm=cmr12
-\font\shortcontbf=cmbx12
-\font\shortcontsl=cmsl12
-
-%% Add scribe-like font environments, plus @l for inline lisp (usually sans
-%% serif) and @ii for TeX italic
-
-% \smartitalic{ARG} outputs arg in italics, followed by an italic correction
-% unless the following character is such as not to need one.
-\def\smartitalicx{\ifx\next,\else\ifx\next-\else\ifx\next.\else\/\fi\fi\fi}
-\def\smartitalic#1{{\sl #1}\futurelet\next\smartitalicx}
-
-\let\i=\smartitalic
-\let\var=\smartitalic
-\let\dfn=\smartitalic
-\let\emph=\smartitalic
-\let\cite=\smartitalic
-
-\def\b#1{{\bf #1}}
-\let\strong=\b
-
-\def\t#1{{\tt \exhyphenpenalty=10000\rawbackslash \frenchspacing #1}\null}
-\let\ttfont = \t
-%\def\samp #1{`{\tt \rawbackslash \frenchspacing #1}'\null}
-\def\samp #1{`\tclose{#1}'\null}
-\def\key #1{{\tt \exhyphenpenalty=10000\uppercase{#1}}\null}
-\def\ctrl #1{{\tt \rawbackslash \hat}#1}
-
-\let\file=\samp
-
-% @code is a modification of @t,
-% which makes spaces the same size as normal in the surrounding text.
-\newdimen\tclosesave
-\newdimen\tcloserm
-\def\tclose#1{{\rm \tcloserm=\fontdimen2\font \tt \tclosesave=\fontdimen2\font
-\fontdimen2\font=\tcloserm
-% prevent breaking lines at hyphens.
-\exhyphenpenalty=10000
-\def\ {{\fontdimen2\font=\tclosesave{} }}%
- \rawbackslash \frenchspacing #1\fontdimen2\font=\tclosesave}\null}
-\let\code=\tclose
-%\let\exp=\tclose %Was temporary
-
-% @kbd is like @code, except that if the argument is just one @key command,
-% then @kbd has no effect.
-
-\def\xkey{\key}
-\def\kbdfoo#1#2#3\par{\def\one{#1}\def\three{#3}\def\threex{??}%
-\ifx\one\xkey\ifx\threex\three \key{#2}%
-\else\tclose{\look}\fi
-\else\tclose{\look}\fi}
-
-% Typeset a dimension, e.g., `in' or `pt'. The only reason for the
-% argument is to make the input look right: @dmn{pt} instead of
-% @dmn{}pt.
-%
-\def\dmn#1{\thinspace #1}
-
-\def\kbd#1{\def\look{#1}\expandafter\kbdfoo\look??\par}
-
-\def\l#1{{\li #1}\null} %
-
-\def\r#1{{\rm #1}} % roman font
-% Use of \lowercase was suggested.
-\def\sc#1{{\smallcaps#1}} % smallcaps font
-\def\ii#1{{\it #1}} % italic font
-
-\message{page headings,}
-
-\newskip\titlepagetopglue \titlepagetopglue = 1.5in
-\newskip\titlepagebottomglue \titlepagebottomglue = 2pc
-
-% First the title page. Must do @settitle before @titlepage.
-\def\titlefont#1{{\titlerm #1}}
-
-\newtoks\realeverypar
-\newif\ifseenauthor
-\newif\iffinishedtitlepage
-
-\def\titlepage{\begingroup \parindent=0pt \textfonts
- \let\subtitlerm=\tenrm
-% I deinstalled the following change because \cmr12 is undefined.
-% This change was not in the ChangeLog anyway. --rms.
-% \let\subtitlerm=\cmr12
- \def\subtitlefont{\subtitlerm \normalbaselineskip = 13pt \normalbaselines}%
- %
- \def\authorfont{\authorrm \normalbaselineskip = 16pt \normalbaselines}%
- %
- % Leave some space at the very top of the page.
- \vglue\titlepagetopglue
- %
- % Now you can print the title using @title.
- \def\title{\parsearg\titlezzz}%
- \def\titlezzz##1{\leftline{\titlefont{##1}}
- % print a rule at the page bottom also.
- \finishedtitlepagefalse
- \vskip4pt \hrule height 4pt \vskip4pt}%
- % No rule at page bottom unless we print one at the top with @title.
- \finishedtitlepagetrue
- %
- % Now you can put text using @subtitle.
- \def\subtitle{\parsearg\subtitlezzz}%
- \def\subtitlezzz##1{{\subtitlefont \rightline{##1}}}%
- %
- % @author should come last, but may come many times.
- \def\author{\parsearg\authorzzz}%
- \def\authorzzz##1{\ifseenauthor\else\vskip 0pt plus 1filll\seenauthortrue\fi
- {\authorfont \leftline{##1}}}%
- %
- % Most title ``pages'' are actually two pages long, with space
- % at the top of the second. We don't want the ragged left on the second.
- \let\oldpage = \page
- \def\page{%
- \iffinishedtitlepage\else
- \finishtitlepage
- \fi
- \oldpage
- \let\page = \oldpage
- \hbox{}}%
-% \def\page{\oldpage \hbox{}}
-}
-
-\def\Etitlepage{%
- \iffinishedtitlepage\else
- \finishtitlepage
- \fi
- % It is important to do the page break before ending the group,
- % because the headline and footline are only empty inside the group.
- % If we use the new definition of \page, we always get a blank page
- % after the title page, which we certainly don't want.
- \oldpage
- \endgroup
- \HEADINGSon
-}
-
-\def\finishtitlepage{%
- \vskip4pt \hrule height 2pt
- \vskip\titlepagebottomglue
- \finishedtitlepagetrue
-}
-
-%%% Set up page headings and footings.
-
-\let\thispage=\folio
-
-\newtoks \evenheadline % Token sequence for heading line of even pages
-\newtoks \oddheadline % Token sequence for heading line of odd pages
-\newtoks \evenfootline % Token sequence for footing line of even pages
-\newtoks \oddfootline % Token sequence for footing line of odd pages
-
-% Now make Tex use those variables
-\headline={{\textfonts\rm \ifodd\pageno \the\oddheadline
- \else \the\evenheadline \fi}}
-\footline={{\textfonts\rm \ifodd\pageno \the\oddfootline
- \else \the\evenfootline \fi}\HEADINGShook}
-\let\HEADINGShook=\relax
-
-% Commands to set those variables.
-% For example, this is what @headings on does
-% @evenheading @thistitle|@thispage|@thischapter
-% @oddheading @thischapter|@thispage|@thistitle
-% @evenfooting @thisfile||
-% @oddfooting ||@thisfile
-
-\def\evenheading{\parsearg\evenheadingxxx}
-\def\oddheading{\parsearg\oddheadingxxx}
-\def\everyheading{\parsearg\everyheadingxxx}
-
-\def\evenfooting{\parsearg\evenfootingxxx}
-\def\oddfooting{\parsearg\oddfootingxxx}
-\def\everyfooting{\parsearg\everyfootingxxx}
-
-{\catcode`\@=0 %
-
-\gdef\evenheadingxxx #1{\evenheadingyyy #1@|@|@|@|\finish}
-\gdef\evenheadingyyy #1@|#2@|#3@|#4\finish{%
-\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-
-\gdef\oddheadingxxx #1{\oddheadingyyy #1@|@|@|@|\finish}
-\gdef\oddheadingyyy #1@|#2@|#3@|#4\finish{%
-\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-
-\gdef\everyheadingxxx #1{\everyheadingyyy #1@|@|@|@|\finish}
-\gdef\everyheadingyyy #1@|#2@|#3@|#4\finish{%
-\global\evenheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
-\global\oddheadline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-
-\gdef\evenfootingxxx #1{\evenfootingyyy #1@|@|@|@|\finish}
-\gdef\evenfootingyyy #1@|#2@|#3@|#4\finish{%
-\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-
-\gdef\oddfootingxxx #1{\oddfootingyyy #1@|@|@|@|\finish}
-\gdef\oddfootingyyy #1@|#2@|#3@|#4\finish{%
-\global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-
-\gdef\everyfootingxxx #1{\everyfootingyyy #1@|@|@|@|\finish}
-\gdef\everyfootingyyy #1@|#2@|#3@|#4\finish{%
-\global\evenfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}
-\global\oddfootline={\rlap{\centerline{#2}}\line{#1\hfil#3}}}
-%
-}% unbind the catcode of @.
-
-% @headings double turns headings on for double-sided printing.
-% @headings single turns headings on for single-sided printing.
-% @headings off turns them off.
-% @headings on same as @headings double, retained for compatibility.
-% @headings after turns on double-sided headings after this page.
-% @headings doubleafter turns on double-sided headings after this page.
-% @headings singleafter turns on single-sided headings after this page.
-% By default, they are off.
-
-\def\headings #1 {\csname HEADINGS#1\endcsname}
-
-\def\HEADINGSoff{
-\global\evenheadline={\hfil} \global\evenfootline={\hfil}
-\global\oddheadline={\hfil} \global\oddfootline={\hfil}}
-\HEADINGSoff
-% When we turn headings on, set the page number to 1.
-% For double-sided printing, put current file name in lower left corner,
-% chapter name on inside top of right hand pages, document
-% title on inside top of left hand pages, and page numbers on outside top
-% edge of all pages.
-\def\HEADINGSdouble{
-%\pagealignmacro
-\global\pageno=1
-\global\evenfootline={\hfil}
-\global\oddfootline={\hfil}
-\global\evenheadline={\line{\folio\hfil\thistitle}}
-\global\oddheadline={\line{\thischapter\hfil\folio}}
-}
-% For single-sided printing, chapter title goes across top left of page,
-% page number on top right.
-\def\HEADINGSsingle{
-%\pagealignmacro
-\global\pageno=1
-\global\evenfootline={\hfil}
-\global\oddfootline={\hfil}
-\global\evenheadline={\line{\thischapter\hfil\folio}}
-\global\oddheadline={\line{\thischapter\hfil\folio}}
-}
-\def\HEADINGSon{\HEADINGSdouble}
-
-\def\HEADINGSafter{\let\HEADINGShook=\HEADINGSdoublex}
-\let\HEADINGSdoubleafter=\HEADINGSafter
-\def\HEADINGSdoublex{%
-\global\evenfootline={\hfil}
-\global\oddfootline={\hfil}
-\global\evenheadline={\line{\folio\hfil\thistitle}}
-\global\oddheadline={\line{\thischapter\hfil\folio}}
-}
-
-\def\HEADINGSsingleafter{\let\HEADINGShook=\HEADINGSsinglex}
-\def\HEADINGSsinglex{%
-\global\evenfootline={\hfil}
-\global\oddfootline={\hfil}
-\global\evenheadline={\line{\thischapter\hfil\folio}}
-\global\oddheadline={\line{\thischapter\hfil\folio}}
-}
-
-% Subroutines used in generating headings
-% Produces Day Month Year style of output.
-\def\today{\number\day\space
-\ifcase\month\or
-January\or February\or March\or April\or May\or June\or
-July\or August\or September\or October\or November\or December\fi
-\space\number\year}
-
-% Use this if you want the Month Day, Year style of output.
-%\def\today{\ifcase\month\or
-%January\or February\or March\or April\or May\or June\or
-%July\or August\or September\or October\or November\or December\fi
-%\space\number\day, \number\year}
-
-% @settitle line... specifies the title of the document, for headings
-% It generates no output of its own
-
-\def\thistitle{No Title}
-\def\settitle{\parsearg\settitlezzz}
-\def\settitlezzz #1{\gdef\thistitle{#1}}
-
-\message{tables,}
-
-% @tabs -- simple alignment
-
-% These don't work. For one thing, \+ is defined as outer.
-% So these macros cannot even be defined.
-
-%\def\tabs{\parsearg\tabszzz}
-%\def\tabszzz #1{\settabs\+#1\cr}
-%\def\tabline{\parsearg\tablinezzz}
-%\def\tablinezzz #1{\+#1\cr}
-%\def\&{&}
-
-% Tables -- @table, @ftable, @item(x), @kitem(x), @xitem(x).
-
-% default indentation of table text
-\newdimen\tableindent \tableindent=.8in
-% default indentation of @itemize and @enumerate text
-\newdimen\itemindent \itemindent=.3in
-% margin between end of table item and start of table text.
-\newdimen\itemmargin \itemmargin=.1in
-
-% used internally for \itemindent minus \itemmargin
-\newdimen\itemmax
-
-% Note @table and @ftable define @item, @itemx, etc., with these defs.
-% They also define \itemindex
-% to index the item name in whatever manner is desired (perhaps none).
-
-\def\internalBitem{\smallbreak \parsearg\itemzzz}
-\def\internalBitemx{\par \parsearg\itemzzz}
-
-\def\internalBxitem "#1"{\def\xitemsubtopix{#1} \smallbreak \parsearg\xitemzzz}
-\def\internalBxitemx "#1"{\def\xitemsubtopix{#1} \par \parsearg\xitemzzz}
-
-\def\internalBkitem{\smallbreak \parsearg\kitemzzz}
-\def\internalBkitemx{\par \parsearg\kitemzzz}
-
-\def\kitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \lastfunction}}%
- \itemzzz {#1}}
-
-\def\xitemzzz #1{\dosubind {kw}{\code{#1}}{for {\bf \xitemsubtopic}}%
- \itemzzz {#1}}
-
-\def\itemzzz #1{\begingroup %
-\advance \hsize by -\rightskip %
-\advance \hsize by -\leftskip %
-\setbox0=\hbox{\itemfont{#1}}%
-\itemindex{#1}%
-\parskip=0in %
-\noindent %
-\ifdim \wd0>\itemmax %
-\vadjust{\penalty 10000}%
-\hbox to \hsize{\hskip -\tableindent\box0\hss}\ %
-\else %
-\hbox to 0pt{\hskip -\tableindent\box0\hss}%
-\fi %
-\endgroup %
-}
-
-\def\item{\errmessage{@item while not in a table}}
-\def\itemx{\errmessage{@itemx while not in a table}}
-\def\kitem{\errmessage{@kitem while not in a table}}
-\def\kitemx{\errmessage{@kitemx while not in a table}}
-\def\xitem{\errmessage{@xitem while not in a table}}
-\def\xitemx{\errmessage{@xitemx while not in a table}}
-
-%% Contains a kludge to get @end[description] to work
-\def\description{\tablez{\dontindex}{1}{}{}{}{}}
-
-\def\table{\begingroup\inENV\obeylines\obeyspaces\tablex}
-{\obeylines\obeyspaces%
-\gdef\tablex #1^^M{%
-\tabley\dontindex#1 \endtabley}}
-
-\def\ftable{\begingroup\inENV\obeylines\obeyspaces\ftablex}
-{\obeylines\obeyspaces%
-\gdef\ftablex #1^^M{%
-\tabley\fnitemindex#1 \endtabley
-\def\Eftable{\endgraf\endgroup\afterenvbreak}%
-\let\Etable=\relax}}
-
-\def\dontindex #1{}
-\def\fnitemindex #1{\doind {fn}{\code{#1}}}%
-
-{\obeyspaces %
-\gdef\tabley#1#2 #3 #4 #5 #6 #7\endtabley{\endgroup%
-\tablez{#1}{#2}{#3}{#4}{#5}{#6}}}
-
-\def\tablez #1#2#3#4#5#6{%
-\aboveenvbreak %
-\begingroup %
-\def\Edescription{\Etable}% Neccessary kludge.
-\let\itemindex=#1%
-\ifnum 0#3>0 \advance \leftskip by #3\mil \fi %
-\ifnum 0#4>0 \tableindent=#4\mil \fi %
-\ifnum 0#5>0 \advance \rightskip by #5\mil \fi %
-\def\itemfont{#2}%
-\itemmax=\tableindent %
-\advance \itemmax by -\itemmargin %
-\advance \leftskip by \tableindent %
-\parindent = 0pt
-\parskip = \smallskipamount
-\ifdim \parskip=0pt \parskip=2pt \fi%
-\def\Etable{\endgraf\endgroup\afterenvbreak}%
-\let\item = \internalBitem %
-\let\itemx = \internalBitemx %
-\let\kitem = \internalBkitem %
-\let\kitemx = \internalBkitemx %
-\let\xitem = \internalBxitem %
-\let\xitemx = \internalBxitemx %
-}
-
-% This is the counter used by @enumerate, which is really @itemize
-
-\newcount \itemno
-
-\def\itemize{\parsearg\itemizezzz}
-
-\def\itemizezzz #1{\itemizey {#1}{\Eitemize}}
-
-\def\itemizey #1#2{%
-\aboveenvbreak %
-\begingroup %
-\itemno = 0 %
-\itemmax=\itemindent %
-\advance \itemmax by -\itemmargin %
-\advance \leftskip by \itemindent %
-\parindent = 0pt
-\parskip = \smallskipamount
-\ifdim \parskip=0pt \parskip=2pt \fi%
-\def#2{\endgraf\endgroup\afterenvbreak}%
-\def\itemcontents{#1}%
-\let\item=\itemizeitem}
-
-\def\bullet{$\ptexbullet$}
-\def\minus{$-$}
-
-% Set sfcode to normal for the chars that usually have another value.
-% These are `.?!:;,'
-\def\frenchspacing{\sfcode46=1000 \sfcode63=1000 \sfcode33=1000
- \sfcode58=1000 \sfcode59=1000 \sfcode44=1000 }
-
-\def\enumerate{\itemizey{\the\itemno.}\Eenumerate\flushcr}
-
-\def\alphaenumerate{\itemizey{\ifcase\itemno\or
-a\or b\or c\or d\or e\or f\or g\or h\or i\or j\or k\or l\or m\or n\or o\or
-p\or q\or r\or s\or t\or u\or v\or w\or x\or y\or z\else
-\errmessage{More than 26 items in @ecapitate; get a bigger alphabet.}\fi.}%
-\Ealphaenumerate\flushcr}
-
-\def\capsenumerate{\itemizey{\ifcase\itemno\or
-A\or B\or C\or D\or E\or F\or G\or H\or I\or J\or K\or L\or M\or N\or O\or
-P\or Q\or R\or S\or T\or U\or V\or W\or X\or Y\or Z\else
-\errmessage{More than 26 items in @capsenumerate; get a bigger alphabet.}\fi.}%
-\Ecapsenumerate\flushcr}
-
-% Definition of @item while inside @itemize.
-
-\def\itemizeitem{%
-\advance\itemno by 1
-{\let\par=\endgraf \smallbreak}%
-\ifhmode \errmessage{\in hmode at itemizeitem}\fi
-{\parskip=0in \hskip 0pt
-\hbox to 0pt{\hss \itemcontents\hskip \itemmargin}%
-\vadjust{\penalty 300}}%
-\flushcr}
-
-\message{indexing,}
-% Index generation facilities
-
-% Define \newwrite to be identical to plain tex's \newwrite
-% except not \outer, so it can be used within \newindex.
-{\catcode`\@=11
-\gdef\newwrite{\alloc@7\write\chardef\sixt@@n}}
-
-% \newindex {foo} defines an index named foo.
-% It automatically defines \fooindex such that
-% \fooindex ...rest of line... puts an entry in the index foo.
-% It also defines \fooindfile to be the number of the output channel for
-% the file that accumulates this index. The file's extension is foo.
-% The name of an index should be no more than 2 characters long
-% for the sake of vms.
-
-\def\newindex #1{
-\expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
-\openout \csname#1indfile\endcsname \jobname.#1 % Open the file
-\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
-\noexpand\doindex {#1}}
-}
-
-% @defindex foo == \newindex{foo}
-
-\def\defindex{\parsearg\newindex}
-
-% Define @defcodeindex, like @defindex except put all entries in @code.
-
-\def\newcodeindex #1{
-\expandafter\newwrite \csname#1indfile\endcsname% Define number for output file
-\openout \csname#1indfile\endcsname \jobname.#1 % Open the file
-\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
-\noexpand\docodeindex {#1}}
-}
-
-\def\defcodeindex{\parsearg\newcodeindex}
-
-% @synindex foo bar makes index foo feed into index bar.
-% Do this instead of @defindex foo if you don't want it as a separate index.
-\def\synindex #1 #2 {%
-\expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
-\expandafter\let\csname#1indfile\endcsname=\synindexfoo
-\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
-\noexpand\doindex {#2}}%
-}
-
-% @syncodeindex foo bar similar, but put all entries made for index foo
-% inside @code.
-\def\syncodeindex #1 #2 {%
-\expandafter\let\expandafter\synindexfoo\expandafter=\csname#2indfile\endcsname
-\expandafter\let\csname#1indfile\endcsname=\synindexfoo
-\expandafter\xdef\csname#1index\endcsname{% % Define \xxxindex
-\noexpand\docodeindex {#2}}%
-}
-
-% Define \doindex, the driver for all \fooindex macros.
-% Argument #1 is generated by the calling \fooindex macro,
-% and it is "foo", the name of the index.
-
-% \doindex just uses \parsearg; it calls \doind for the actual work.
-% This is because \doind is more useful to call from other macros.
-
-% There is also \dosubind {index}{topic}{subtopic}
-% which makes an entry in a two-level index such as the operation index.
-
-\def\doindex#1{\edef\indexname{#1}\parsearg\singleindexer}
-\def\singleindexer #1{\doind{\indexname}{#1}}
-
-% like the previous two, but they put @code around the argument.
-\def\docodeindex#1{\edef\indexname{#1}\parsearg\singlecodeindexer}
-\def\singlecodeindexer #1{\doind{\indexname}{\code{#1}}}
-
-\def\indexdummies{%
-\def\_{{\realbackslash _}}%
-\def\w{\realbackslash w }%
-\def\bf{\realbackslash bf }%
-\def\rm{\realbackslash rm }%
-\def\sl{\realbackslash sl }%
-\def\sf{\realbackslash sf}%
-\def\tt{\realbackslash tt}%
-\def\gtr{\realbackslash gtr}%
-\def\less{\realbackslash less}%
-\def\hat{\realbackslash hat}%
-\def\char{\realbackslash char}%
-\def\TeX{\realbackslash TeX}%
-\def\dots{\realbackslash dots }%
-\def\copyright{\realbackslash copyright }%
-\def\tclose##1{\realbackslash tclose {##1}}%
-\def\code##1{\realbackslash code {##1}}%
-\def\samp##1{\realbackslash samp {##1}}%
-\def\t##1{\realbackslash r {##1}}%
-\def\r##1{\realbackslash r {##1}}%
-\def\i##1{\realbackslash i {##1}}%
-\def\b##1{\realbackslash b {##1}}%
-\def\cite##1{\realbackslash cite {##1}}%
-\def\key##1{\realbackslash key {##1}}%
-\def\file##1{\realbackslash file {##1}}%
-\def\var##1{\realbackslash var {##1}}%
-\def\kbd##1{\realbackslash kbd {##1}}%
-}
-
-% \indexnofonts no-ops all font-change commands.
-% This is used when outputting the strings to sort the index by.
-\def\indexdummyfont#1{#1}
-\def\indexdummytex{TeX}
-\def\indexdummydots{...}
-
-\def\indexnofonts{%
-\let\w=\indexdummyfont
-\let\t=\indexdummyfont
-\let\r=\indexdummyfont
-\let\i=\indexdummyfont
-\let\b=\indexdummyfont
-\let\emph=\indexdummyfont
-\let\strong=\indexdummyfont
-\let\cite=\indexdummyfont
-\let\sc=\indexdummyfont
-%Don't no-op \tt, since it isn't a user-level command
-% and is used in the definitions of the active chars like <, >, |...
-%\let\tt=\indexdummyfont
-\let\tclose=\indexdummyfont
-\let\code=\indexdummyfont
-\let\file=\indexdummyfont
-\let\samp=\indexdummyfont
-\let\kbd=\indexdummyfont
-\let\key=\indexdummyfont
-\let\var=\indexdummyfont
-\let\TeX=\indexdummytex
-\let\dots=\indexdummydots
-}
-
-% To define \realbackslash, we must make \ not be an escape.
-% We must first make another character (@) an escape
-% so we do not become unable to do a definition.
-
-{\catcode`\@=0 \catcode`\\=\other
-@gdef@realbackslash{\}}
-
-\let\indexbackslash=0 %overridden during \printindex.
-
-\def\doind #1#2{%
-{\count10=\lastpenalty %
-{\indexdummies % Must do this here, since \bf, etc expand at this stage
-\escapechar=`\\%
-{\let\folio=0% Expand all macros now EXCEPT \folio
-\def\rawbackslashxx{\indexbackslash}% \indexbackslash isn't defined now
-% so it will be output as is; and it will print as backslash in the indx.
-%
-% Now process the index-string once, with all font commands turned off,
-% to get the string to sort the index by.
-{\indexnofonts
-\xdef\temp1{#2}%
-}%
-% Now produce the complete index entry. We process the index-string again,
-% this time with font commands expanded, to get what to print in the index.
-\edef\temp{%
-\write \csname#1indfile\endcsname{%
-\realbackslash entry {\temp1}{\folio}{#2}}}%
-\temp }%
-}\penalty\count10}}
-
-\def\dosubind #1#2#3{%
-{\count10=\lastpenalty %
-{\indexdummies % Must do this here, since \bf, etc expand at this stage
-\escapechar=`\\%
-{\let\folio=0%
-\def\rawbackslashxx{\indexbackslash}%
-%
-% Now process the index-string once, with all font commands turned off,
-% to get the string to sort the index by.
-{\indexnofonts
-\xdef\temp1{#2 #3}%
-}%
-% Now produce the complete index entry. We process the index-string again,
-% this time with font commands expanded, to get what to print in the index.
-\edef\temp{%
-\write \csname#1indfile\endcsname{%
-\realbackslash entry {\temp1}{\folio}{#2}{#3}}}%
-\temp }%
-}\penalty\count10}}
-
-% The index entry written in the file actually looks like
-% \entry {sortstring}{page}{topic}
-% or
-% \entry {sortstring}{page}{topic}{subtopic}
-% The texindex program reads in these files and writes files
-% containing these kinds of lines:
-% \initial {c}
-% before the first topic whose initial is c
-% \entry {topic}{pagelist}
-% for a topic that is used without subtopics
-% \primary {topic}
-% for the beginning of a topic that is used with subtopics
-% \secondary {subtopic}{pagelist}
-% for each subtopic.
-
-% Define the user-accessible indexing commands
-% @findex, @vindex, @kindex, @cindex.
-
-\def\findex {\fnindex}
-\def\kindex {\kyindex}
-\def\cindex {\cpindex}
-\def\vindex {\vrindex}
-\def\tindex {\tpindex}
-\def\pindex {\pgindex}
-
-\def\cindexsub {\begingroup\obeylines\cindexsub}
-{\obeylines %
-\gdef\cindexsub "#1" #2^^M{\endgroup %
-\dosubind{cp}{#2}{#1}}}
-
-% Define the macros used in formatting output of the sorted index material.
-
-% This is what you call to cause a particular index to get printed.
-% Write
-% @unnumbered Function Index
-% @printindex fn
-
-\def\printindex{\parsearg\doprintindex}
-
-\def\doprintindex#1{\tex %
-\dobreak \chapheadingskip {10000}
-\catcode`\%=\other\catcode`\&=\other\catcode`\#=\other
-\catcode`\$=\other\catcode`\_=\other
-\catcode`\~=\other
-% The following don't help, since the chars were translated
-% when the raw index was written, and their fonts were discarded
-% due to \indexnofonts.
-%\catcode`\"=\active
-%\catcode`\^=\active
-%\catcode`\_=\active
-%\catcode`\|=\active
-%\catcode`\<=\active
-%\catcode`\>=\active
-\def\indexbackslash{\rawbackslashxx}
-\indexfonts\rm \tolerance=9500 \advance\baselineskip -1pt
-\begindoublecolumns
-\openin 1 \jobname.#1s
-\ifeof 1
-% \enddoublecolumns gets confused if there is no text in the index,
-% and it loses the chapter title and the aux file entries for the index.
-% The easiest way to prevent this problem is to make sure there is some text.
-(Index is empty)
-\else \closein 1 \input \jobname.#1s
-\fi
-\enddoublecolumns
-\Etex}
-
-% These macros are used by the sorted index file itself.
-% Change them to control the appearance of the index.
-
-% Same as \bigskipamount except no shrink.
-% \balancecolumns gets confused if there is any shrink.
-\newskip\initialskipamount \initialskipamount 12pt plus4pt
-
-\outer\def\initial #1{%
-{\let\tentt=\sectt \let\tt=\sectt \let\sf=\sectt
-\ifdim\lastskip<\initialskipamount
-\removelastskip \penalty-200 \vskip \initialskipamount\fi
-\line{\secbf#1\hfill}\kern 2pt\penalty10000}}
-
-\outer\def\entry #1#2{
-{\parfillskip=0in \parskip=0in \parindent=0in
-\hangindent=1in \hangafter=1%
-\noindent\hbox{#1}\indexdotfill #2\par
-}}
-
-% Like \dotfill except takes at least 1 em.
-\def\indexdotfill{\cleaders
- \hbox{$\mathsurround=0pt \mkern1.5mu . \mkern1.5mu$}\hskip 1em plus 1fill}
-
-\def\primary #1{\line{#1\hfil}}
-
-\newskip\secondaryindent \secondaryindent=0.5cm
-
-\def\secondary #1#2{
-{\parfillskip=0in \parskip=0in
-\hangindent =1in \hangafter=1
-\noindent\hskip\secondaryindent\hbox{#1}\indexdotfill #2\par
-}}
-
-%% Define two-column mode, which is used in indexes.
-%% Adapted from the TeXBook, page 416
-\catcode `\@=11
-
-\newbox\partialpage
-
-\newdimen\doublecolumnhsize \doublecolumnhsize = 3.11in
-\newdimen\doublecolumnvsize \doublecolumnvsize = 19.1in
-\newdimen\availdimen@
-
-\def\begindoublecolumns{\begingroup
- \output={\global\setbox\partialpage=
- \vbox{\unvbox255\kern -\topskip \kern \baselineskip}}\eject
- \output={\doublecolumnout}%
- \hsize=\doublecolumnhsize \vsize=\doublecolumnvsize}
-\def\enddoublecolumns{\output={\balancecolumns}\eject
- \endgroup \pagegoal=\vsize}
-
-\def\doublecolumnout{\splittopskip=\topskip \splitmaxdepth=\maxdepth
- \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
- \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
- \onepageout\pagesofar \unvbox255 \penalty\outputpenalty}
-\def\pagesofar{\unvbox\partialpage %
- \hsize=\doublecolumnhsize % have to restore this since output routine
-% changes it to set cropmarks (P. A. MacKay, 12 Nov. 1986)
- \wd0=\hsize \wd2=\hsize \hbox to\pagewidth{\box0\hfil\box2}}
-\def\balancecolumns{%
-% Unset the glue.
- \setbox255=\vbox{\unvbox255}
- \dimen@=\ht255
- \advance\dimen@ by\topskip \advance\dimen@ by-\baselineskip
- \divide\dimen@ by2
- \availdimen@=\pageheight \advance\availdimen@ by-\ht\partialpage
-% If the remaining data is too big for one page,
-% output one page normally, then work with what remains.
- \ifdim \dimen@>\availdimen@
- {
- \splittopskip=\topskip \splitmaxdepth=\maxdepth
- \dimen@=\pageheight \advance\dimen@ by-\ht\partialpage
- \setbox0=\vsplit255 to\dimen@ \setbox2=\vsplit255 to\dimen@
- \onepageout\pagesofar
- }
-% Recompute size of what remains, in case we just output some of it.
- \dimen@=\ht255
- \advance\dimen@ by\topskip \advance\dimen@ by-\baselineskip
- \divide\dimen@ by2
- \fi
- \setbox0=\vbox{\unvbox255}
- \splittopskip=\topskip
- {\vbadness=10000 \loop \global\setbox3=\copy0
- \global\setbox1=\vsplit3 to\dimen@
- \ifdim\ht3>\dimen@ \global\advance\dimen@ by1pt \repeat}
- \setbox0=\vbox to\dimen@{\unvbox1} \setbox2=\vbox to\dimen@{\unvbox3}
- \pagesofar}
-
-\catcode `\@=\other
-\message{sectioning,}
-% Define chapters, sections, etc.
-
-\newcount \chapno
-\newcount \secno
-\newcount \subsecno
-\newcount \subsubsecno
-
-% This counter is funny since it counts through charcodes of letters A, B, ...
-\newcount \appendixno \appendixno = `\@
-\def\appendixletter{\char\the\appendixno}
-
-\newwrite \contentsfile
-% This is called from \setfilename.
-\def\opencontents{\openout \contentsfile = \jobname.toc}
-
-% Each @chapter defines this as the name of the chapter.
-% page headings and footings can use it. @section does likewise
-
-\def\thischapter{} \def\thissection{}
-\def\seccheck#1{\if \pageno<0 %
-\errmessage{@#1 not allowed after generating table of contents}\fi
-%
-}
-
-\def\chapternofonts{%
-\let\rawbackslash=\relax%
-\let\frenchspacing=\relax%
-\def\TeX{\realbackslash TeX}
-\def\dots{\realbackslash dots}
-\def\copyright{\realbackslash copyright}
-\def\tt{\realbackslash tt}
-\def\bf{\realbackslash bf }
-\def\w{\realbackslash w}
-\def\less{\realbackslash less}
-\def\gtr{\realbackslash gtr}
-\def\hat{\realbackslash hat}
-\def\char{\realbackslash char}
-\def\tclose##1{\realbackslash tclose {##1}}
-\def\code##1{\realbackslash code {##1}}
-\def\samp##1{\realbackslash samp {##1}}
-\def\r##1{\realbackslash r {##1}}
-\def\b##1{\realbackslash b {##1}}
-\def\key##1{\realbackslash key {##1}}
-\def\file##1{\realbackslash file {##1}}
-\def\kbd##1{\realbackslash kbd {##1}}
-% These are redefined because @smartitalic wouldn't work inside xdef.
-\def\i##1{\realbackslash i {##1}}
-\def\cite##1{\realbackslash cite {##1}}
-\def\var##1{\realbackslash var {##1}}
-\def\emph##1{\realbackslash emph {##1}}
-\def\dfn##1{\realbackslash dfn {##1}}
-}
-
-\outer\def\chapter{\parsearg\chapterzzz}
-\def\chapterzzz #1{\seccheck{chapter}%
-\secno=0 \subsecno=0 \subsubsecno=0
-\global\advance \chapno by 1 \message{Chapter \the\chapno}%
-\chapmacro {#1}{\the\chapno}%
-\gdef\thissection{#1}%
-\gdef\thischaptername{#1}%
-% We don't substitute the actual chapter name into \thischapter
-% because we don't want its macros evaluated now.
-\xdef\thischapter{Chapter \the\chapno: \noexpand\thischaptername}%
-{\chapternofonts%
-\edef\temp{{\realbackslash chapentry {#1}{\the\chapno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\donoderef %
-\global\let\section = \numberedsection
-}}
-
-\outer\def\appendix{\parsearg\appendixzzz}
-\def\appendixzzz #1{\seccheck{appendix}%
-\secno=0 \subsecno=0 \subsubsecno=0
-\global\advance \appendixno by 1 \message{Appendix \appendixletter}%
-\chapmacro {#1}{Appendix \appendixletter}%
-\gdef\thissection{#1}%
-\gdef\thischaptername{#1}%
-\xdef\thischapter{Appendix \appendixletter: \noexpand\thischaptername}%
-{\chapternofonts%
-\edef\temp{{\realbackslash chapentry
- {#1}{Appendix \appendixletter}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\appendixnoderef %
-\global\let\section = \appendixsec
-}}
-
-\outer\def\top{\parsearg\unnumberedzzz}
-\outer\def\unnumbered{\parsearg\unnumberedzzz}
-\def\unnumberedzzz #1{\seccheck{unnumbered}%
-\secno=0 \subsecno=0 \subsubsecno=0 \message{(#1)}
-\unnumbchapmacro {#1}%
-\gdef\thischapter{#1}\gdef\thissection{#1}%
-{\chapternofonts%
-\edef\temp{{\realbackslash unnumbchapentry {#1}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\unnumbnoderef %
-\global\let\section = \unnumberedsec
-}}
-
-\outer\def\numberedsection{\parsearg\sectionzzz}
-\def\sectionzzz #1{\seccheck{section}%
-\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
-\gdef\thissection{#1}\secheading {#1}{\the\chapno}{\the\secno}%
-{\chapternofonts%
-\edef\temp{{\realbackslash secentry %
-{#1}{\the\chapno}{\the\secno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\donoderef %
-\penalty 10000 %
-\global\let\subsection = \numberedsubsection
-}}
-
-\outer\def\appendixsection{\parsearg\appendixsectionzzz}
-\outer\def\appendixsec{\parsearg\appendixsectionzzz}
-\def\appendixsectionzzz #1{\seccheck{appendixsection}%
-\subsecno=0 \subsubsecno=0 \global\advance \secno by 1 %
-\gdef\thissection{#1}\secheading {#1}{\appendixletter}{\the\secno}%
-{\chapternofonts%
-\edef\temp{{\realbackslash secentry %
-{#1}{\appendixletter}{\the\secno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\appendixnoderef %
-\penalty 10000 %
-\global\let\subsection = \appendixsubsec
-}}
-
-\outer\def\unnumberedsec{\parsearg\unnumberedseczzz}
-\def\unnumberedseczzz #1{\seccheck{unnumberedsec}%
-\plainsecheading {#1}\gdef\thissection{#1}%
-{\chapternofonts%
-\edef\temp{{\realbackslash unnumbsecentry{#1}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\unnumbnoderef %
-\penalty 10000 %
-\global\let\subsection = \unnumberedsubsec
-}}
-
-\outer\def\numberedsubsection{\parsearg\subsectionzzz}
-\def\subsectionzzz #1{\seccheck{subsection}%
-\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
-\subsecheading {#1}{\the\chapno}{\the\secno}{\the\subsecno}%
-{\chapternofonts%
-\edef\temp{{\realbackslash subsecentry %
-{#1}{\the\chapno}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\donoderef %
-\penalty 10000 %
-\global\let\subsubsection = \numberedsubsubsection
-}}
-
-\outer\def\appendixsubsec{\parsearg\appendixsubseczzz}
-\def\appendixsubseczzz #1{\seccheck{appendixsubsec}%
-\gdef\thissection{#1}\subsubsecno=0 \global\advance \subsecno by 1 %
-\subsecheading {#1}{\appendixletter}{\the\secno}{\the\subsecno}%
-{\chapternofonts%
-\edef\temp{{\realbackslash subsecentry %
-{#1}{\appendixletter}{\the\secno}{\the\subsecno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\appendixnoderef %
-\penalty 10000 %
-\global\let\subsubsection = \appendixsubsubsec
-}}
-
-\outer\def\unnumberedsubsec{\parsearg\unnumberedsubseczzz}
-\def\unnumberedsubseczzz #1{\seccheck{unnumberedsubsec}%
-\plainsecheading {#1}\gdef\thissection{#1}%
-{\chapternofonts%
-\edef\temp{{\realbackslash unnumbsubsecentry{#1}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\unnumbnoderef %
-\penalty 10000 %
-\global\let\subsubsection = \unnumberedsubsubsec
-}}
-
-\outer\def\numberedsubsubsection{\parsearg\subsubsectionzzz}
-\def\subsubsectionzzz #1{\seccheck{subsubsection}%
-\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
-\subsubsecheading {#1}
- {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
-{\chapternofonts%
-\edef\temp{{\realbackslash subsubsecentry %
- {#1}
- {\the\chapno}{\the\secno}{\the\subsecno}{\the\subsubsecno}
- {\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\donoderef %
-\penalty 10000 %
-}}
-
-\outer\def\appendixsubsubsec{\parsearg\appendixsubsubseczzz}
-\def\appendixsubsubseczzz #1{\seccheck{appendixsubsubsec}%
-\gdef\thissection{#1}\global\advance \subsubsecno by 1 %
-\subsubsecheading {#1}
- {\appendixletter}{\the\secno}{\the\subsecno}{\the\subsubsecno}%
-{\chapternofonts%
-\edef\temp{{\realbackslash subsubsecentry{#1}%
- {\appendixletter}
- {\the\secno}{\the\subsecno}{\the\subsubsecno}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\appendixnoderef %
-\penalty 10000 %
-}}
-
-\outer\def\unnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
-\def\unnumberedsubsubseczzz #1{\seccheck{unnumberedsubsubsec}%
-\plainsecheading {#1}\gdef\thissection{#1}%
-{\chapternofonts%
-\edef\temp{{\realbackslash unnumbsubsubsecentry{#1}{\noexpand\folio}}}%
-\escapechar=`\\%
-\write \contentsfile \temp %
-\unnumbnoderef %
-\penalty 10000 %
-}}
-
-% These are variants which are not "outer", so they can appear in @ifinfo.
-\def\infotop{\parsearg\unnumberedzzz}
-\def\infounnumbered{\parsearg\unnumberedzzz}
-\def\infounnumberedsec{\parsearg\unnumberedseczzz}
-\def\infounnumberedsubsec{\parsearg\unnumberedsubseczzz}
-\def\infounnumberedsubsubsec{\parsearg\unnumberedsubsubseczzz}
-
-\def\infoappendix{\parsearg\appendixzzz}
-\def\infoappendixsec{\parsearg\appendixseczzz}
-\def\infoappendixsubsec{\parsearg\appendixsubseczzz}
-\def\infoappendixsubsubsec{\parsearg\appendixsubsubseczzz}
-
-\def\infochapter{\parsearg\chapterzzz}
-\def\infosection{\parsearg\sectionzzz}
-\def\infosubsection{\parsearg\subsectionzzz}
-\def\infosubsubsection{\parsearg\subsubsectionzzz}
-
-% Define @majorheading, @heading and @subheading
-
-\def\majorheading{\parsearg\majorheadingzzz}
-\def\majorheadingzzz #1{%
-{\advance\chapheadingskip by 10pt \chapbreak }%
-{\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 200}
-
-\def\chapheading{\parsearg\chapheadingzzz}
-\def\chapheadingzzz #1{\chapbreak %
-{\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 200}
-
-\def\heading{\parsearg\secheadingi}
-
-\def\subheading{\parsearg\subsecheadingi}
-
-\def\subsubheading{\parsearg\subsubsecheadingi}
-
-% These macros generate a chapter, section, etc. heading only
-% (including whitespace, linebreaking, etc. around it),
-% given all the information in convenient, parsed form.
-
-%%% Args are the skip and penalty (usually negative)
-\def\dobreak#1#2{\par\ifdim\lastskip<#1\removelastskip\penalty#2\vskip#1\fi}
-
-\def\setchapterstyle #1 {\csname CHAPF#1\endcsname}
-
-%%% Define plain chapter starts, and page on/off switching for it
-% Parameter controlling skip before chapter headings (if needed)
-
-\newskip \chapheadingskip \chapheadingskip = 30pt plus 8pt minus 4pt
-
-\def\chapbreak{\dobreak \chapheadingskip {-4000}}
-\def\chappager{\par\vfill\supereject}
-\def\chapoddpage{\chappager \ifodd\pageno \else \hbox to 0pt{} \chappager\fi}
-
-\def\setchapternewpage #1 {\csname CHAPPAG#1\endcsname}
-
-\def\CHAPPAGoff{
-\global\let\pchapsepmacro=\chapbreak
-\global\let\pagealignmacro=\chappager}
-
-\def\CHAPPAGon{
-\global\let\pchapsepmacro=\chappager
-\global\let\pagealignmacro=\chappager
-\global\def\HEADINGSon{\HEADINGSsingle}}
-
-\def\CHAPPAGodd{
-\global\let\pchapsepmacro=\chapoddpage
-\global\let\pagealignmacro=\chapoddpage
-\global\def\HEADINGSon{\HEADINGSdouble}}
-
-\CHAPPAGon
-
-\def\CHAPFplain{
-\global\let\chapmacro=\chfplain
-\global\let\unnumbchapmacro=\unnchfplain}
-
-\def\chfplain #1#2{%
- \pchapsepmacro
- {%
- \chapfonts
- \leftline{\rm #2\enspace #1}%
- }%
- \bigskip
- \penalty5000
-}
-
-\def\unnchfplain #1{%
-\pchapsepmacro %
-{\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 10000 %
-}
-\CHAPFplain % The default
-
-\def\unnchfopen #1{%
-\chapoddpage {\chapfonts \line{\rm #1\hfill}}\bigskip \par\penalty 10000 %
-}
-
-\def\chfopen #1#2{\chapoddpage {\chapfonts
-\vbox to 3in{\vfil \hbox to\hsize{\hfil #2} \hbox to\hsize{\hfil #1} \vfil}}%
-\par\penalty 5000 %
-}
-
-\def\CHAPFopen{
-\global\let\chapmacro=\chfopen
-\global\let\unnumbchapmacro=\unnchfopen}
-
-% Parameter controlling skip before section headings.
-
-\newskip \subsecheadingskip \subsecheadingskip = 17pt plus 8pt minus 4pt
-\def\subsecheadingbreak{\dobreak \subsecheadingskip {-500}}
-
-\newskip \secheadingskip \secheadingskip = 21pt plus 8pt minus 4pt
-\def\secheadingbreak{\dobreak \secheadingskip {-1000}}
-
-
-% Section fonts are the base font at magstep2, which produces
-% a size a bit more than 14 points in the default situation.
-
-\def\secheading #1#2#3{\secheadingi {#2.#3\enspace #1}}
-\def\plainsecheading #1{\secheadingi {#1}}
-\def\secheadingi #1{{\advance \secheadingskip by \parskip %
-\secheadingbreak}%
-{\secfonts \line{\rm #1\hfill}}%
-\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
-
-
-% Subsection fonts are the base font at magstep1,
-% which produces a size of 12 points.
-
-\def\subsecheading #1#2#3#4{\subsecheadingi {#2.#3.#4\enspace #1}}
-\def\subsecheadingi #1{{\advance \subsecheadingskip by \parskip %
-\subsecheadingbreak}%
-{\subsecfonts \line{\rm #1\hfill}}%
-\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000 }
-
-\def\subsubsecfonts{\subsecfonts} % Maybe this should change:
- % Perhaps make sssec fonts scaled
- % magstep half
-\def\subsubsecheading #1#2#3#4#5{\subsubsecheadingi {#2.#3.#4.#5\enspace #1}}
-\def\subsubsecheadingi #1{{\advance \subsecheadingskip by \parskip %
-\subsecheadingbreak}%
-{\subsubsecfonts \line{\rm #1\hfill}}%
-\ifdim \parskip<10pt \kern 10pt\kern -\parskip\fi \penalty 10000}
-
-
-\message{toc printing,}
-
-% Finish up the main text and prepare to read what we've written
-% to \contentsfile.
-
-\def\startcontents#1{%
- \ifnum \pageno>0
- \pagealignmacro
- \immediate\closeout \contentsfile
- \pageno = -1 % Request roman numbered pages.
- \fi
- % Don't need to put `Contents' or `Short Contents' in the headline.
- % It is abundantly clear what they are.
- \unnumbchapmacro{#1}\def\thischapter{}%
- \begingroup % Set up to handle contents files properly.
- \catcode`\\=0 \catcode`\{=1 \catcode`\}=2 \catcode`\@=11
- \raggedbottom % Worry more about breakpoints than the bottom.
- \advance\hsize by -1in % Don't use the full line length.
-}
-
-
-% Normal (long) toc.
-\outer\def\contents{%
- \startcontents{Table of Contents}%
- \input \jobname.toc
- \endgroup
- \vfill \eject
-}
-
-% And just the chapters.
-\outer\def\summarycontents{%
- \startcontents{Short Contents}%
- %
- \let\chapentry = \shortchapentry
- \let\unnumbchapentry = \shortunnumberedentry
- % We want a true roman here for the page numbers.
- \secfonts
- \let\rm=\shortcontrm \let\bf=\shortcontbf \let\sl=\shortcontsl
- \rm
- \advance\baselineskip by 1pt % Open it up a little.
- \def\secentry ##1##2##3##4{}
- \def\unnumbsecentry ##1##2{}
- \def\subsecentry ##1##2##3##4##5{}
- \def\unnumbsubsecentry ##1##2{}
- \def\subsubsecentry ##1##2##3##4##5##6{}
- \def\unnumbsubsubsecentry ##1##2{}
- \input \jobname.toc
- \endgroup
- \vfill \eject
-}
-\let\shortcontents = \summarycontents
-
-% These macros generate individual entries in the table of contents.
-% The first argument is the chapter or section name.
-% The last argument is the page number.
-% The arguments in between are the chapter number, section number, ...
-
-% Chapter-level things, for both the long and short contents.
-\def\chapentry#1#2#3{\dochapentry{#2\labelspace#1}{#3}}
-\def\shortchapentry#1#2#3{%
- \line{{#2\labelspace #1}\dotfill\doshortpageno{#3}}%
-}
-
-\def\unnumbchapentry#1#2{\dochapentry{#1}{#2}}
-\def\shortunnumberedentry#1#2{%
- \line{#1\dotfill\doshortpageno{#2}}%
-}
-
-% Sections.
-\def\secentry#1#2#3#4{\dosecentry{#2.#3\labelspace#1}{#4}}
-\def\unnumbsecentry#1#2{\dosecentry{#1}{#2}}
-
-% Subsections.
-\def\subsecentry#1#2#3#4#5{\dosubsecentry{#2.#3.#4\labelspace#1}{#5}}
-\def\unnumbsubsecentry#1#2{\dosubsecentry{#1}{#2}}
-
-% And subsubsections.
-\def\subsubsecentry#1#2#3#4#5#6{%
- \dosubsubsecentry{#2.#3.#4.#5\labelspace#1}{#6}}
-\def\unnumbsubsubsecentry#1#2{\dosubsubsecentry{#1}{#2}}
-
-
-% This parameter controls the indentation of the various levels.
-\newdimen\tocindent \tocindent = 3pc
-
-% Now for the actual typesetting. In all these, #1 is the text and #2 is the
-% page number.
-%
-% If the toc has to be broken over pages, we would want to be at chapters
-% if at all possible; hence the \penalty.
-\def\dochapentry#1#2{%
- \penalty-300 \vskip\baselineskip
- \line{\chapentryfonts #1\dotfill \dopageno{#2}}%
- \nobreak\vskip .25\baselineskip
-}
-
-\def\dosecentry#1#2{%
- \line{\secentryfonts \hskip\tocindent #1\dotfill \dopageno{#2}}%
-}
-
-\def\dosubsecentry#1#2{%
- \line{\subsecentryfonts \hskip2\tocindent #1\dotfill \dopageno{#2}}%
-}
-
-\def\dosubsubsecentry#1#2{%
- \line{\subsubsecentryfonts \hskip3\tocindent #1\dotfill \dopageno{#2}}%
-}
-
-% Space between chapter (or whatever) number and the title.
-\def\labelspace{\hskip1em \relax}
-
-\def\dopageno#1{{\rm #1}}
-\def\doshortpageno#1{{\rm #1}}
-
-\def\chapentryfonts{\secfonts \rm}
-\def\secentryfonts{\textfonts}
-\let\subsecentryfonts = \textfonts
-\let\subsubsecentryfonts = \textfonts
-
-
-\message{environments,}
-
-% Since these characters are used in examples, it should be an even number of
-% \tt widths. Each \tt character is 1en, so two makes it 1em.
-% Furthermore, these definitions must come after we define our fonts.
-\newbox\dblarrowbox \newbox\longdblarrowbox
-\newbox\pushcharbox \newbox\bullbox
-\newbox\equivbox \newbox\errorbox
-
-\let\ptexequiv = \equiv
-
-{\tentt
-\global\setbox\dblarrowbox = \hbox to 1em{\hfil$\Rightarrow$\hfil}
-\global\setbox\longdblarrowbox = \hbox to 1em{\hfil$\mapsto$\hfil}
-\global\setbox\pushcharbox = \hbox to 1em{\hfil$\dashv$\hfil}
-\global\setbox\equivbox = \hbox to 1em{\hfil$\ptexequiv$\hfil}
-% Adapted from the manmac format (p.420 of TeXbook)
-\global\setbox\bullbox = \hbox to 1em{\kern.15em\vrule height .75ex width .85ex
- depth .1ex\hfil}
-}
-
-\def\point{$\star$}
-
-\def\result{\leavevmode\raise.15ex\copy\dblarrowbox}
-\def\expansion{\leavevmode\raise.1ex\copy\longdblarrowbox}
-\def\print{\leavevmode\lower.1ex\copy\pushcharbox}
-
-\def\equiv{\leavevmode\lower.1ex\copy\equivbox}
-
-% Does anyone really want this?
-% \def\bull{\leavevmode\copy\bullbox}
-
-% Adapted from the TeXbook's \boxit.
-{\tentt \global\dimen0 = 3em}% Width of the box.
-\dimen2 = .55pt % Thickness of rules
-% The text. (`r' is open on the right, `e' somewhat less so on the left.)
-\setbox0 = \hbox{\kern-.75pt \tensf error\kern-1.5pt}
-
-\global\setbox\errorbox=\hbox to \dimen0{\hfil
- \hsize = \dimen0 \advance\hsize by -5.8pt % Space to left+right.
- \advance\hsize by -2\dimen2 % Rules.
- \vbox{
- \hrule height\dimen2
- \hbox{\vrule width\dimen2 \kern3pt % Space to left of text.
- \vtop{\kern2.4pt \box0 \kern2.4pt}% Space above/below.
- \kern3pt\vrule width\dimen2}% Space to right.
- \hrule height\dimen2}
- \hfil}
-
-% The @error{} command.
-\def\error{\leavevmode\lower.7ex\copy\errorbox}
-
-% @tex ... @end tex escapes into raw Tex temporarily.
-% One exception: @ is still an escape character, so that @end tex works.
-% But \@ or @@ will get a plain tex @ character.
-
-\def\tex{\begingroup
-\catcode `\\=0 \catcode `\{=1 \catcode `\}=2
-\catcode `\$=3 \catcode `\&=4 \catcode `\#=6
-\catcode `\^=7 \catcode `\_=8 \catcode `\~=13 \let~=\tie
-\catcode `\%=14
-\catcode 43=12
-\catcode`\"=12
-\catcode`\==12
-\catcode`\|=12
-\catcode`\<=12
-\catcode`\>=12
-\escapechar=`\\
-%
-\let\{=\ptexlbrace
-\let\}=\ptexrbrace
-\let\.=\ptexdot
-\let\*=\ptexstar
-\let\dots=\ptexdots
-\def\@{@}%
-\let\bullet=\ptexbullet
-\let\b=\ptexb \let\c=\ptexc \let\i=\ptexi \let\t=\ptext \let\l=\ptexl
-\let\L=\ptexL
-%
-\let\Etex=\endgroup}
-
-% Define @lisp ... @endlisp.
-% @lisp does a \begingroup so it can rebind things,
-% including the definition of @endlisp (which normally is erroneous).
-
-% Amount to narrow the margins by for @lisp.
-\newskip\lispnarrowing \lispnarrowing=0.4in
-
-% This is the definition that ^M gets inside @lisp
-% phr: changed space to \null, to avoid overfull hbox problems.
-{\obeyspaces%
-\gdef\lisppar{\null\endgraf}}
-
-% Cause \obeyspaces to make each Space cause a word-separation
-% rather than the default which is that it acts punctuation.
-% This is because space in tt font looks funny.
-{\obeyspaces %
-\gdef\sepspaces{\def {\ }}}
-
-\newskip\aboveenvskipamount \aboveenvskipamount= 0pt
-\def\aboveenvbreak{{\advance\aboveenvskipamount by \parskip
-\endgraf \ifdim\lastskip<\aboveenvskipamount
-\removelastskip \penalty-50 \vskip\aboveenvskipamount \fi}}
-
-\def\afterenvbreak{\endgraf \ifdim\lastskip<\aboveenvskipamount
-\removelastskip \penalty-50 \vskip\aboveenvskipamount \fi}
-
-\def\lisp{\aboveenvbreak
-\begingroup\inENV % This group ends at the end of the @lisp body
-\hfuzz=12truept % Don't be fussy
-% Make spaces be word-separators rather than space tokens.
-\sepspaces %
-% Single space lines
-\singlespace %
-% The following causes blank lines not to be ignored
-% by adding a space to the end of each line.
-\let\par=\lisppar
-\def\Elisp{\endgroup\afterenvbreak}%
-\parskip=0pt
-\advance \leftskip by \lispnarrowing
-\parindent=0pt
-\let\exdent=\internalexdent
-\obeyspaces \obeylines \tt \rawbackslash
-\def\next##1{}\next}
-
-
-\let\example=\lisp
-\def\Eexample{\Elisp}
-
-\let\smallexample=\lisp
-\def\Esmallexample{\Elisp}
-
-% Macro for 9 pt. examples, necessary to print with 5" lines.
-% From Pavel@xerox. This is not really used unless the
-% @smallbook command is given.
-
-\def\smalllispx{\aboveenvbreak\begingroup\inENV
-% This group ends at the end of the @lisp body
-\hfuzz=12truept % Don't be fussy
-% Make spaces be word-separators rather than space tokens.
-\sepspaces %
-% Single space lines
-\singlespace %
-% The following causes blank lines not to be ignored
-% by adding a space to the end of each line.
-\let\par=\lisppar
-\def\Esmalllisp{\endgroup\afterenvbreak}%
-\parskip=0pt
-\advance \leftskip by \lispnarrowing
-\parindent=0pt
-\let\exdent=\internalexdent
-\obeyspaces \obeylines \ninett \indexfonts \rawbackslash
-\def\next##1{}\next}
-
-% This is @display; same as @lisp except use roman font.
-
-\def\display{\begingroup\inENV %This group ends at the end of the @display body
-\aboveenvbreak
-% Make spaces be word-separators rather than space tokens.
-\sepspaces %
-% Single space lines
-\singlespace %
-% The following causes blank lines not to be ignored
-% by adding a space to the end of each line.
-\let\par=\lisppar
-\def\Edisplay{\endgroup\afterenvbreak}%
-\parskip=0pt
-\advance \leftskip by \lispnarrowing
-\parindent=0pt
-\let\exdent=\internalexdent
-\obeyspaces \obeylines
-\def\next##1{}\next}
-
-% This is @format; same as @lisp except use roman font and don't narrow margins
-
-\def\format{\begingroup\inENV %This group ends at the end of the @format body
-\aboveenvbreak
-% Make spaces be word-separators rather than space tokens.
-\sepspaces %
-\singlespace %
-% The following causes blank lines not to be ignored
-% by adding a space to the end of each line.
-\let\par=\lisppar
-\def\Eformat{\endgroup\afterenvbreak}
-\parskip=0pt \parindent=0pt
-\obeyspaces \obeylines
-\def\next##1{}\next}
-
-% @flushleft and @flushright
-
-\def\flushleft{%
-\begingroup\inENV %This group ends at the end of the @format body
-\aboveenvbreak
-% Make spaces be word-separators rather than space tokens.
-\sepspaces %
-% The following causes blank lines not to be ignored
-% by adding a space to the end of each line.
-% This also causes @ to work when the directive name
-% is terminated by end of line.
-\let\par=\lisppar
-\def\Eflushleft{\endgroup\afterenvbreak}%
-\parskip=0pt \parindent=0pt
-\obeyspaces \obeylines
-\def\next##1{}\next}
-
-\def\flushright{%
-\begingroup\inENV %This group ends at the end of the @format body
-\aboveenvbreak
-% Make spaces be word-separators rather than space tokens.
-\sepspaces %
-% The following causes blank lines not to be ignored
-% by adding a space to the end of each line.
-% This also causes @ to work when the directive name
-% is terminated by end of line.
-\let\par=\lisppar
-\def\Eflushright{\endgroup\afterenvbreak}%
-\parskip=0pt \parindent=0pt
-\advance \leftskip by 0pt plus 1fill
-\obeyspaces \obeylines
-\def\next##1{}\next}
-
-% @quotation - narrow the margins.
-
-\def\quotation{%
-\begingroup\inENV %This group ends at the end of the @quotation body
-{\parskip=0pt % because we will skip by \parskip too, later
-\aboveenvbreak}%
-\singlespace
-\parindent=0pt
-\def\Equotation{\par\endgroup\afterenvbreak}%
-\advance \rightskip by \lispnarrowing
-\advance \leftskip by \lispnarrowing}
-
-\message{defuns,}
-% Define formatter for defuns
-% First, allow user to change definition object font (\df) internally
-\def\setdeffont #1 {\csname DEF#1\endcsname}
-
-\newskip\defbodyindent \defbodyindent=.4in
-\newskip\defargsindent \defargsindent=50pt
-\newskip\deftypemargin \deftypemargin=12pt
-\newskip\deflastargmargin \deflastargmargin=18pt
-
-\newcount\parencount
-% define \functionparens, which makes ( and ) and & do special things.
-% \functionparens affects the group it is contained in.
-\def\activeparens{%
-\catcode`\(=\active \catcode`\)=\active \catcode`\&=\active
-\catcode`\[=\active \catcode`\]=\active}
-{\activeparens % Now, smart parens don't turn on until &foo (see \amprm)
-\gdef\functionparens{\boldbrax\let&=\amprm\parencount=0 }
-\gdef\boldbrax{\let(=\opnr\let)=\clnr\let[=\lbrb\let]=\rbrb}
-
-% Definitions of (, ) and & used in args for functions.
-% This is the definition of ( outside of all parentheses.
-\gdef\oprm#1 {{\rm\char`\(}#1 \bf \let(=\opnested %
-\global\advance\parencount by 1 }
-%
-% This is the definition of ( when already inside a level of parens.
-\gdef\opnested{\char`\(\global\advance\parencount by 1 }
-%
-\gdef\clrm{% Print a paren in roman if it is taking us back to depth of 0.
-% also in that case restore the outer-level definition of (.
-\ifnum \parencount=1 {\rm \char `\)}\sl \let(=\oprm \else \char `\) \fi
-\global\advance \parencount by -1 }
-% If we encounter &foo, then turn on ()-hacking afterwards
-\gdef\amprm#1 {{\rm\}\let(=\oprm \let)=\clrm\ }
-%
-\gdef\normalparens{\boldbrax\let&=\ampnr}
-} % End of definition inside \activeparens
-%% These parens (in \boldbrax) actually are a little bolder than the
-%% contained text. This is especially needed for [ and ]
-\def\opnr{{\sf\char`\(}} \def\clnr{{\sf\char`\)}} \def\ampnr{\&}
-\def\lbrb{{\bf\char`\[}} \def\rbrb{{\bf\char`\]}}
-
-% First, defname, which formats the header line itself.
-% #1 should be the function name.
-% #2 should be the type of definition, such as "Function".
-
-\def\defname #1#2{%
-% Get the values of \leftskip and \rightskip as they were
-% outside the @def...
-\dimen2=\leftskip
-\advance\dimen2 by -\defbodyindent
-\dimen3=\rightskip
-\advance\dimen3 by -\defbodyindent
-\noindent %
-\setbox0=\hbox{\hskip \deflastargmargin{\rm #2}\hskip \deftypemargin}%
-\dimen0=\hsize \advance \dimen0 by -\wd0 % compute size for first line
-\dimen1=\hsize \advance \dimen1 by -\defargsindent %size for continuations
-\parshape 2 0in \dimen0 \defargsindent \dimen1 %
-% Now output arg 2 ("Function" or some such)
-% ending at \deftypemargin from the right margin,
-% but stuck inside a box of width 0 so it does not interfere with linebreaking
-{% Adjust \hsize to exclude the ambient margins,
-% so that \rightline will obey them.
-\advance \hsize by -\dimen2 \advance \hsize by -\dimen3
-\rlap{\rightline{{\rm #2}\hskip \deftypemargin}}}%
-% Make all lines underfull and no complaints:
-\tolerance=10000 \hbadness=10000
-{\df #1}\enskip % Generate function name
-}
-
-% Actually process the body of a definition
-% #1 should be the terminating control sequence, such as \Edefun.
-% #2 should be the "another name" control sequence, such as \defunx.
-% #3 should be the control sequence that actually processes the header,
-% such as \defunheader.
-
-\def\defparsebody #1#2#3{\begingroup\inENV% Environment for definitionbody
-\medbreak %
-% Define the end token that this defining construct specifies
-% so that it will exit this group.
-\def#1{\endgraf\endgroup\medbreak}%
-\def#2{\begingroup\obeylines\activeparens\spacesplit#3}%
-\parindent=0in
-\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
-\begingroup %
-\catcode 61=\active %
-\obeylines\activeparens\spacesplit#3}
-
-\def\defmethparsebody #1#2#3#4 {\begingroup\inENV %
-\medbreak %
-% Define the end token that this defining construct specifies
-% so that it will exit this group.
-\def#1{\endgraf\endgroup\medbreak}%
-\def#2##1 {\begingroup\obeylines\activeparens\spacesplit{#3{##1}}}%
-\parindent=0in
-\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
-\begingroup\obeylines\activeparens\spacesplit{#3{#4}}}
-
-\def\defopparsebody #1#2#3#4#5 {\begingroup\inENV %
-\medbreak %
-% Define the end token that this defining construct specifies
-% so that it will exit this group.
-\def#1{\endgraf\endgroup\medbreak}%
-\def#2##1 ##2 {\def#4{##1}%
-\begingroup\obeylines\activeparens\spacesplit{#3{##2}}}%
-\parindent=0in
-\advance\leftskip by \defbodyindent \advance \rightskip by \defbodyindent
-\begingroup\obeylines\activeparens\spacesplit{#3{#5}}}
-
-% Split up #2 at the first space token.
-% call #1 with two arguments:
-% the first is all of #2 before the space token,
-% the second is all of #2 after that space token.
-% If #2 contains no space token, all of it is passed as the first arg
-% and the second is passed as empty.
-
-{\obeylines
-\gdef\spacesplit#1#2^^M{\endgroup\spacesplitfoo{#1}#2 \relax\spacesplitfoo}%
-\long\gdef\spacesplitfoo#1#2 #3#4\spacesplitfoo{%
-\ifx\relax #3%
-#1{#2}{}\else #1{#2}{#3#4}\fi}}
-
-% So much for the things common to all kinds of definitions.
-
-% Define @defun.
-
-% First, define the processing that is wanted for arguments of \defun
-% Use this to expand the args and terminate the paragraph they make up
-
-\def\defunargs #1{\functionparens \sl
-% Expand, preventing hyphenation at `-' chars.
-% Note that groups don't affect changes in \hyphenchar.
-\hyphenchar\tensl=0
-#1%
-\hyphenchar\tensl=45
-\ifnum\parencount=0 \else \errmessage{unbalanced parens in @def arguments}\fi%
-\interlinepenalty=10000
-\advance\rightskip by 0pt plus 1fil
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000%
-}
-
-\def\deftypefunargs #1{%
-% Expand, preventing hyphenation at `-' chars.
-% Note that groups don't affect changes in \hyphenchar.
-\functionparens
-\code{#1}%
-\interlinepenalty=10000
-\advance\rightskip by 0pt plus 1fil
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000%
-}
-
-% Do complete processing of one @defun or @defunx line already parsed.
-
-% @deffn Command forward-char nchars
-
-\def\deffn{\defmethparsebody\Edeffn\deffnx\deffnheader}
-
-\def\deffnheader #1#2#3{\doind {fn}{\code{#2}}%
-\begingroup\defname {#2}{#1}\defunargs{#3}\endgroup %
-\catcode 61=\other % Turn off change made in \defparsebody
-}
-
-% @defun == @deffn Function
-
-\def\defun{\defparsebody\Edefun\defunx\defunheader}
-
-\def\defunheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
-\begingroup\defname {#1}{Function}%
-\defunargs {#2}\endgroup %
-\catcode 61=\other % Turn off change made in \defparsebody
-}
-
-% @deftypefun int foobar (int @var{foo}, float @var{bar})
-
-\def\deftypefun{\defparsebody\Edeftypefun\deftypefunx\deftypefunheader}
-
-% #1 is the data type. #2 is the name and args.
-\def\deftypefunheader #1#2{\deftypefunheaderx{#1}#2 \relax}
-% #1 is the data type, #2 the name, #3 the args.
-\def\deftypefunheaderx #1#2 #3\relax{%
-\doind {fn}{\code{#2}}% Make entry in function index
-\begingroup\defname {\code{#1} #2}{Function}%
-\deftypefunargs {#3}\endgroup %
-\catcode 61=\other % Turn off change made in \defparsebody
-}
-
-% @deftypefn {Library Function} int foobar (int @var{foo}, float @var{bar})
-
-\def\deftypefn{\defmethparsebody\Edeftypefn\deftypefnx\deftypefnheader}
-
-% #1 is the classification. #2 is the data type. #3 is the name and args.
-\def\deftypefnheader #1#2#3{\deftypefnheaderx{#1}{#2}#3 \relax}
-% #1 is the classification, #2 the data type, #3 the name, #4 the args.
-\def\deftypefnheaderx #1#2#3 #4\relax{%
-\doind {fn}{\code{#3}}% Make entry in function index
-\begingroup\defname {\code{#2} #3}{#1}%
-\deftypefunargs {#4}\endgroup %
-\catcode 61=\other % Turn off change made in \defparsebody
-}
-
-% @defmac == @deffn Macro
-
-\def\defmac{\defparsebody\Edefmac\defmacx\defmacheader}
-
-\def\defmacheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
-\begingroup\defname {#1}{Macro}%
-\defunargs {#2}\endgroup %
-\catcode 61=\other % Turn off change made in \defparsebody
-}
-
-% @defspec == @deffn Special Form
-
-\def\defspec{\defparsebody\Edefspec\defspecx\defspecheader}
-
-\def\defspecheader #1#2{\doind {fn}{\code{#1}}% Make entry in function index
-\begingroup\defname {#1}{Special Form}%
-\defunargs {#2}\endgroup %
-\catcode 61=\other % Turn off change made in \defparsebody
-}
-
-% This definition is run if you use @defunx
-% anywhere other than immediately after a @defun or @defunx.
-
-\def\deffnx #1 {\errmessage{@deffnx in invalid context}}
-\def\defunx #1 {\errmessage{@defunx in invalid context}}
-\def\defmacx #1 {\errmessage{@defmacx in invalid context}}
-\def\defspecx #1 {\errmessage{@defspecx in invalid context}}
-\def\deftypefnx #1 {\errmessage{@deftypefnx in invalid context}}
-\def\deftypeunx #1 {\errmessage{@deftypeunx in invalid context}}
-
-% @defmethod, and so on
-
-% @defop {Funny Method} foo-class frobnicate argument
-
-\def\defop #1 {\def\defoptype{#1}%
-\defopparsebody\Edefop\defopx\defopheader\defoptype}
-
-\def\defopheader #1#2#3{%
-\dosubind {fn}{\code{#2}}{on #1}% Make entry in function index
-\begingroup\defname {#2}{\defoptype{} on #1}%
-\defunargs {#3}\endgroup %
-}
-
-% @defmethod == @defop Method
-
-\def\defmethod{\defmethparsebody\Edefmethod\defmethodx\defmethodheader}
-
-\def\defmethodheader #1#2#3{%
-\dosubind {fn}{\code{#2}}{on #1}% entry in function index
-\begingroup\defname {#2}{Method on #1}%
-\defunargs {#3}\endgroup %
-}
-
-% @deftypemethod class type frobnicate argument
-
-\def\deftypemethod{\defmethparsebody\Edeftypemethod\deftypemethodx%
-\deftypemethodheader}
-
-% #1 is the class. #2 is the data type. #3 is the name and args.
-\def\deftypemethodheader #1#2#3{\deftypemethodheaderx{#1}{#2}#3 \relax}
-% #1 is the class, #2 the data type, #3 then name , #4 the args.
-\def\deftypemethodheaderx #1#2#3 #4\relax{\dosubind {fn}{\code{#3}}{on #1}%
-\begingroup\defname {\code{#2} #3}{Method on #1}%
-\deftypefunargs {#4}\endgroup
-}
-
-% @defcv {Class Option} foo-class foo-flag
-
-\def\defcv #1 {\def\defcvtype{#1}%
-\defopparsebody\Edefcv\defcvx\defcvarheader\defcvtype}
-
-\def\defcvarheader #1#2#3{%
-\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
-\begingroup\defname {#2}{\defcvtype{} of #1}%
-\defvarargs {#3}\endgroup %
-}
-
-% @defivar == @defcv {Instance Variable}
-
-\def\defivar{\defmethparsebody\Edefivar\defivarx\defivarheader}
-
-\def\defivarheader #1#2#3{%
-\dosubind {vr}{\code{#2}}{of #1}% Make entry in var index
-\begingroup\defname {#2}{Instance Variable of #1}%
-\defvarargs {#3}\endgroup %
-}
-
-% These definitions are run if you use @defmethodx, etc.,
-% anywhere other than immediately after a @defmethod, etc.
-
-\def\defopx #1 {\errmessage{@defopx in invalid context}}
-\def\defmethodx #1 {\errmessage{@defmethodx in invalid context}}
-\def\defcvx #1 {\errmessage{@defcvx in invalid context}}
-\def\defivarx #1 {\errmessage{@defivarx in invalid context}}
-
-% Now @defvar
-
-% First, define the processing that is wanted for arguments of @defvar.
-% This is actually simple: just print them in roman.
-% This must expand the args and terminate the paragraph they make up
-\def\defvarargs #1{\normalparens #1%
-\interlinepenalty=10000
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000}
-
-% @defvr Counter foo-count
-
-\def\defvr{\defmethparsebody\Edefvr\defvrx\defvrheader}
-
-\def\defvrheader #1#2#3{\doind {vr}{\code{#2}}%
-\begingroup\defname {#2}{#1}\defvarargs{#3}\endgroup}
-
-% @defvar == @defvr Variable
-
-\def\defvar{\defparsebody\Edefvar\defvarx\defvarheader}
-
-\def\defvarheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
-\begingroup\defname {#1}{Variable}%
-\defvarargs {#2}\endgroup %
-}
-
-% @defopt == @defvr {User Option}
-
-\def\defopt{\defparsebody\Edefopt\defoptx\defoptheader}
-
-\def\defoptheader #1#2{\doind {vr}{\code{#1}}% Make entry in var index
-\begingroup\defname {#1}{User Option}%
-\defvarargs {#2}\endgroup %
-}
-
-% @deftypevar int foobar
-
-\def\deftypevar{\defparsebody\Edeftypevar\deftypevarx\deftypevarheader}
-
-% #1 is the data type. #2 is the name.
-\def\deftypevarheader #1#2{%
-\doind {vr}{\code{#2}}% Make entry in variables index
-\begingroup\defname {\code{#1} #2}{Variable}%
-\interlinepenalty=10000
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000
-\endgroup}
-
-% @deftypevr {Global Flag} int enable
-
-\def\deftypevr{\defmethparsebody\Edeftypevr\deftypevrx\deftypevrheader}
-
-\def\deftypevrheader #1#2#3{\doind {vr}{\code{#3}}%
-\begingroup\defname {\code{#2} #3}{#1}
-\interlinepenalty=10000
-\endgraf\penalty 10000\vskip -\parskip\penalty 10000
-\endgroup}
-
-% This definition is run if you use @defvarx
-% anywhere other than immediately after a @defvar or @defvarx.
-
-\def\defvrx #1 {\errmessage{@defvrx in invalid context}}
-\def\defvarx #1 {\errmessage{@defvarx in invalid context}}
-\def\defoptx #1 {\errmessage{@defoptx in invalid context}}
-\def\deftypevarx #1 {\errmessage{@deftypevarx in invalid context}}
-\def\deftypevrx #1 {\errmessage{@deftypevrx in invalid context}}
-
-% Now define @deftp
-% Args are printed in bold, a slight difference from @defvar.
-
-\def\deftpargs #1{\bf \defvarargs{#1}}
-
-% @deftp Class window height width ...
-
-\def\deftp{\defmethparsebody\Edeftp\deftpx\deftpheader}
-
-\def\deftpheader #1#2#3{\doind {tp}{\code{#2}}%
-\begingroup\defname {#2}{#1}\deftpargs{#3}\endgroup}
-
-% This definition is run if you use @deftpx, etc
-% anywhere other than immediately after a @deftp, etc.
-
-\def\deftpx #1 {\errmessage{@deftpx in invalid context}}
-
-\message{cross reference,}
-% Define cross-reference macros
-\newwrite \auxfile
-
-\newif\ifhavexrefs % True if xref values are known.
-\newif\ifwarnedxrefs % True if we warned once that they aren't known.
-
-% \setref{foo} defines a cross-reference point named foo.
-
-\def\setref#1{%
-%\dosetq{#1-title}{Ytitle}%
-\dosetq{#1-pg}{Ypagenumber}%
-\dosetq{#1-snt}{Ysectionnumberandtype}}
-
-\def\unnumbsetref#1{%
-%\dosetq{#1-title}{Ytitle}%
-\dosetq{#1-pg}{Ypagenumber}%
-\dosetq{#1-snt}{Ynothing}}
-
-\def\appendixsetref#1{%
-%\dosetq{#1-title}{Ytitle}%
-\dosetq{#1-pg}{Ypagenumber}%
-\dosetq{#1-snt}{Yappendixletterandtype}}
-
-% \xref, \pxref, and \ref generate cross-references to specified points.
-% For \xrefX, #1 is the node name, #2 the name of the Info
-% cross-reference, #3 the printed node name, #4 the name of the Info
-% file, #5 the name of the printed manual. All but the node name can be
-% omitted.
-%
-\def\pxref#1{see \xrefX[#1,,,,,,,]}
-\def\xref#1{See \xrefX[#1,,,,,,,]}
-\def\ref#1{\xrefX[#1,,,,,,,]}
-\def\xrefX[#1,#2,#3,#4,#5,#6]{\begingroup%
-\def\printedmanual{\ignorespaces #5}%
-\def\printednodename{\ignorespaces #3}%
-%
-\setbox1=\hbox{\printedmanual}%
-\setbox0=\hbox{\printednodename}%
-\ifdim \wd0=0pt%
-\def\printednodename{\ignorespaces #1}%
-%%% Uncommment the following line to make the actual chapter or section title
-%%% appear inside the square brackets.
-%\def\printednodename{#1-title}%
-\fi%
-%
-%
-% If we use \unhbox0 and \unhbox1 to print the node names, TeX does
-% not insert empty discretionaries after hyphens, which means that it
-% will not find a line break at a hyphen in a node names. Since some
-% manuals are best written with fairly long node names, containing
-% hyphens, this is a loss. Therefore, we simply give the text of
-% the node name again, so it is as if TeX is seeing it for the first
-% time.
-\ifdim \wd1>0pt
-section ``\printednodename'' in \cite{\printedmanual}%
-\else%
-\turnoffactive%
-\refx{#1-snt}{} [\printednodename], page\tie\refx{#1-pg}{}%
-\fi
-\endgroup}
-
-% \dosetq is the interface for calls from other macros
-
-% Use \turnoffactive so that punctuation chars such as underscore
-% work in node names.
-\def\dosetq #1#2{{\let\folio=0 \turnoffactive%
-\edef\next{\write\auxfile{\internalsetq {#1}{#2}}}%
-\next}}
-
-% \internalsetq {foo}{page} expands into
-% CHARACTERS 'xrdef {foo}{...expansion of \Ypage...}
-% When the aux file is read, ' is the escape character
-
-\def\internalsetq #1#2{'xrdef {#1}{\csname #2\endcsname}}
-
-% Things to be expanded by \internalsetq
-
-\def\Ypagenumber{\folio}
-
-\def\Ytitle{\thischapter}
-
-\def\Ynothing{}
-
-\def\Ysectionnumberandtype{%
-\ifnum\secno=0 Chapter\xreftie\the\chapno %
-\else \ifnum \subsecno=0 Section\xreftie\the\chapno.\the\secno %
-\else \ifnum \subsubsecno=0 %
-Section\xreftie\the\chapno.\the\secno.\the\subsecno %
-\else %
-Section\xreftie\the\chapno.\the\secno.\the\subsecno.\the\subsubsecno %
-\fi \fi \fi }
-
-\def\Yappendixletterandtype{%
-\ifnum\secno=0 Appendix\xreftie'char\the\appendixno{}%
-\else \ifnum \subsecno=0 Section\xreftie'char\the\appendixno.\the\secno %
-\else \ifnum \subsubsecno=0 %
-Section\xreftie'char\the\appendixno.\the\secno.\the\subsecno %
-\else %
-Section\xreftie'char\the\appendixno.\the\secno.\the\subsecno.\the\subsubsecno %
-\fi \fi \fi }
-
-\gdef\xreftie{'tie}
-
-% Use TeX 3.0's \inputlineno to get the line number, for better error
-% messages, but if we're using an old version of TeX, don't do anything.
-%
-\ifx\inputlineno\thisisundefined
- \let\linenumber = \empty % Non-3.0.
-\else
- \def\linenumber{\the\inputlineno:\space}
-\fi
-
-% Define \refx{NAME}{SUFFIX} to reference a cross-reference string named NAME.
-% If its value is nonempty, SUFFIX is output afterward.
-
-\def\refx#1#2{%
- \expandafter\ifx\csname X#1\endcsname\relax
- % If not defined, say something at least.
- $\langle$un\-de\-fined$\rangle$%
- \ifhavexrefs
- \message{\linenumber Undefined cross reference `#1'.}%
- \else
- \ifwarnedxrefs\else
- \global\warnedxrefstrue
- \message{Cross reference values unknown; you must run TeX again.}%
- \fi
- \fi
- \else
- % It's defined, so just use it.
- \csname X#1\endcsname
- \fi
- #2% Output the suffix in any case.
-}
-
-% Read the last existing aux file, if any. No error if none exists.
-
-% This is the macro invoked by entries in the aux file.
-\def\xrdef #1#2{
-{\catcode`\'=\other\expandafter \gdef \csname X#1\endcsname {#2}}}
-
-\def\readauxfile{%
-\begingroup
-\catcode `\^^@=\other
-\catcode `\\ 1=\other
-\catcode `\\ 2=\other
-\catcode `\^^C=\other
-\catcode `\^^D=\other
-\catcode `\^^E=\other
-\catcode `\^^F=\other
-\catcode `\^^G=\other
-\catcode `\^^H=\other
-\catcode `\\v=\other
-\catcode `\^^L=\other
-\catcode `\\ e=\other
-\catcode `\\ f=\other
-\catcode `\\10=\other
-\catcode `\\11=\other
-\catcode `\\12=\other
-\catcode `\\13=\other
-\catcode `\\14=\other
-\catcode `\\15=\other
-\catcode `\\16=\other
-\catcode `\\17=\other
-\catcode `\\18=\other
-\catcode `\\19=\other
-\catcode `\\1a=\other
-\catcode `\^^[=\other
-\catcode `\^^\=\other
-\catcode `\^^]=\other
-\catcode `\^^^=\other
-\catcode `\^^_=\other
-\catcode `\@=\other
-\catcode `\^=\other
-\catcode `\~=\other
-\catcode `\[=\other
-\catcode `\]=\other
-\catcode`\"=\other
-\catcode`\_=\other
-\catcode`\|=\other
-\catcode`\<=\other
-\catcode`\>=\other
-\catcode `\$=\other
-\catcode `\#=\other
-\catcode `\&=\other
-% the aux file uses ' as the escape.
-% Turn off \ as an escape so we do not lose on
-% entries which were dumped with control sequences in their names.
-% For example, 'xrdef {$\leq $-fun}{page ...} made by @defun ^^
-% Reference to such entries still does not work the way one would wish,
-% but at least they do not bomb out when the aux file is read in.
-\catcode `\{=1 \catcode `\}=2
-\catcode `\%=\other
-\catcode `\'=0
-\catcode `\\=\other
-\openin 1 \jobname.aux
-\ifeof 1 \else \closein 1 \input \jobname.aux \global\havexrefstrue
-\fi
-% Open the new aux file. Tex will close it automatically at exit.
-\openout \auxfile=\jobname.aux
-\endgroup}
-
-
-% Footnotes.
-
-\newcount \footnoteno
-
-\def\supereject{\par\penalty -20000\footnoteno =0 }
-
-\let\ptexfootnote=\footnote
-
-{\catcode `\@=11
-\long\gdef\footnote #1{\global\advance \footnoteno by \@ne
-\removelastskip
-\edef\thisfootno{$^{\the\footnoteno}$}%
-\let\@sf\empty
-\ifhmode\edef\@sf{\spacefactor\the\spacefactor}\/\fi
-\thisfootno\@sf \footnotezzz{#1}}
-% \parsearg\footnotezzz}
-
-\long\gdef\footnotezzz #1{\insert\footins{
-\interlinepenalty\interfootnotelinepenalty
-\splittopskip\ht\strutbox % top baseline for broken footnotes
-\splitmaxdepth\dp\strutbox \floatingpenalty\@MM
-\leftskip\z@skip \rightskip\z@skip \spaceskip\z@skip \xspaceskip\z@skip
-\footstrut\parindent=\defaultparindent\hang\textindent{\thisfootno}#1\strut}}
-
-}%end \catcode `\@=11
-
-% End of control word definitions.
-
-\message{and turning on texinfo input format.}
-
-\def\openindices{%
- \newindex{cp}%
- \newcodeindex{fn}%
- \newcodeindex{vr}%
- \newcodeindex{tp}%
- \newcodeindex{ky}%
- \newcodeindex{pg}%
-}
-
-% Set some numeric style parameters, for 8.5 x 11 format.
-
-%\hsize = 6.5in
-\newdimen\defaultparindent \defaultparindent = 15pt
-\parindent = \defaultparindent
-\parskip 18pt plus 1pt
-\baselineskip 15pt
-\advance\topskip by 1.2cm
-
-% Prevent underfull vbox error messages.
-\vbadness=10000
-
-% Use TeX 3.0's \emergencystretch to help line breaking, but if we're
-% using an old version of TeX, don't do anything. We want the amount of
-% stretch added to depend on the line length, hence the dependence on
-% \hsize. This makes it come to about 9pt for the 8.5x11 format.
-%
-\ifx\emergencystretch\thisisundefined \else
- \emergencystretch = \hsize
- \divide\emergencystretch by 45
-\fi
-
-% Use @smallbook to reset parameters for 7x9.5 format
-\def\smallbook{
-\global\lispnarrowing = 0.3in
-\global\baselineskip 12pt
-\global\parskip 3pt plus 1pt
-\global\hsize = 5in
-\global\doublecolumnhsize=2.4in \global\doublecolumnvsize=15.0in
-\global\vsize=7.5in
-\global\tolerance=700
-\global\hfuzz=1pt
-
-\global\pagewidth=\hsize
-\global\pageheight=\vsize
-
-\global\let\smalllisp=\smalllispx
-\global\let\smallexample=\smalllispx
-\global\def\Esmallexample{\Esmalllisp}
-}
-
-%% For a final copy, take out the rectangles
-%% that mark overfull boxes (in case you have decided
-%% that the text looks ok even though it passes the margin).
-\def\finalout{\hfuzz=\maxdimen}
-
-% Define macros to output various characters with catcode for normal text.
-\catcode`\"=\other
-\catcode`\~=\other
-\catcode`\^=\other
-\catcode`\_=\other
-\catcode`\|=\other
-\catcode`\<=\other
-\catcode`\>=\other
-\catcode`\+=\other
-\def\normaldoublequote{"}
-\def\normaltilde{~}
-\def\normalcaret{^}
-\def\normalunderscore{_}
-\def\normalverticalbar{|}
-\def\normalless{<}
-\def\normalgreater{>}
-\def\normalplus{+}
-
-% This macro is used to make a character print one way in ttfont
-% where it can probably just be output, and another way in other fonts,
-% where something hairier probably needs to be done.
-%
-% #1 is what to print if we are indeed using \tt; #2 is what to print
-% otherwise. Since all the Computer Modern typewriter fonts have zero
-% interword stretch (and shrink), and it is reasonable to expect all
-% typewriter fonts to have this, we can check that font parameter.
-%
-\def\ifusingtt#1#2{\ifdim \fontdimen3\the\font=0pt #1\else #2\fi}
-
-% Turn off all special characters except @
-% (and those which the user can use as if they were ordinary).
-% Most of these we simply print from the \tt font, but for some, we can
-% use math or other variants that look better in normal text.
-
-\catcode`\"=\active
-\def\activedoublequote{{\tt \char '042}}
-\let"=\activedoublequote
-\catcode`\~=\active
-\def~{{\tt \char '176}}
-\chardef\hat=`\^
-\catcode`\^=\active
-\def^{{\tt \hat}}
-
-\catcode`\_=\active
-\def_{\ifusingtt\normalunderscore\_}
-% Subroutine for the previous macro.
-\def\_{\lvvmode \kern.06em \vbox{\hrule width.3em height.1ex}}
-
-% \lvvmode is equivalent in function to \leavevmode.
-% Using \leavevmode runs into trouble when written out to
-% an index file due to the expansion of \leavevmode into ``\unhbox
-% \voidb@x'' ---which looks to TeX like ``\unhbox \voidb\x'' due to our
-% magic tricks with @.
-\def\lvvmode{\vbox to 0pt{}}
-
-\catcode`\|=\active
-\def|{{\tt \char '174}}
-\chardef \less=`\<
-\catcode`\<=\active
-\def<{{\tt \less}}
-\chardef \gtr=`\>
-\catcode`\>=\active
-\def>{{\tt \gtr}}
-\catcode`\+=\active
-\def+{{\tt \char 43}}
-%\catcode 27=\active
-%\def^^[{$\diamondsuit$}
-
-% Used sometimes to turn off (effectively) the active characters
-% even after parsing them.
-\def\turnoffactive{\let"=\normaldoublequote
-\let~=\normaltilde
-\let^=\normalcaret
-\let_=\normalunderscore
-\let|=\normalverticalbar
-\let<=\normalless
-\let>=\normalgreater
-\let+=\normalplus}
-
-% Set up an active definition for =, but don't enable it most of the time.
-{\catcode`\==\active
-\global\def={{\tt \char 61}}}
-
-\catcode`\@=0
-
-% \rawbackslashxx output one backslash character in current font
-\global\chardef\rawbackslashxx=`\\
-%{\catcode`\\=\other
-%@gdef@rawbackslashxx{\}}
-
-% \rawbackslash redefines \ as input to do \rawbackslashxx.
-{\catcode`\\=\active
-@gdef@rawbackslash{@let\=@rawbackslashxx }}
-
-% \normalbackslash outputs one backslash in fixed width font.
-\def\normalbackslash{{\tt\rawbackslashxx}}
-
-% Say @foo, not \foo, in error messages.
-\escapechar=`\@
-
-% \catcode 17=0 % Define control-q
-\catcode`\\=\active
-
-% If a .fmt file is being used, we don't want the `\input texinfo' to show up.
-% That is what \eatinput is for; after that, the `\' should revert to printing
-% a backslash.
-%
-@gdef@eatinput input texinfo{@fixbackslash}
-@global@let\ = @eatinput
-
-% On the other hand, perhaps the file did not have a `\input texinfo'. Then
-% the first `\{ in the file would cause an error. This macro tries to fix
-% that, assuming it is called before the first `\' could plausibly occur.
-%
-@gdef@fixbackslash{@ifx\@eatinput @let\ = @normalbackslash @fi}
-
-%% These look ok in all fonts, so just make them not special. The @rm below
-%% makes sure that the current font starts out as the newly loaded cmr10
-@catcode`@$=@other @catcode`@%=@other @catcode`@&=@other @catcode`@#=@other
-
-@textfonts
-@rm
-
-@c Local variables:
-@c page-delimiter: "^\\\\message"
-@c End:
projects / binutils-gdb.git / commitdiff