(1) Changes made yesterday, forgot to check in:

(1) Changes made yesterday, forgot to check in:
    a) cleanups to node structure for Info file
    b) .lflags (ignored) doc restored (was covered previously in
       single par on .list-related directives ignored).
    c) fill in page size defaults (.psize)
    d) move text on H8/300 size suffixes to after opcode table, for
       better page breaks
    e) @alphaenumerate->@enumerate a in GPL

(2) Doc -a, -al, -as, options to enable listings and listing control
    directives; removed FIXME comments re verifying listing counter use;
    advanced titlepage date to Jan 92.