+2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi (Incompatibilities): Update documentation of
+ preprocessing numbers.
+
2001-02-07 Jakub Jelinek <jakub@redhat.com>
* c-decl.c (finish_enum): Revert part of 2000-01-05 change.
@sp 2
@center Richard M. Stallman
@sp 3
-@center Last updated 13 January 2001
+@center Last updated 8 February 2001
@sp 1
@c The version number appears five times more in this file.
A @dfn{preprocessing token} is a @dfn{preprocessing number} if it
begins with a digit and is followed by letters, underscores, digits,
-periods and @samp{e+}, @samp{e-}, @samp{E+}, or @samp{E-} character
-sequences.
+periods and @samp{e+}, @samp{e-}, @samp{E+}, @samp{E-}, @samp{p+},
+@samp{p-}, @samp{P+}, or @samp{P-} character sequences. (In strict C89
+mode, the sequences @samp{p+}, @samp{p-}, @samp{P+} and @samp{P-} cannot
+appear in preprocessing numbers.)
To make the above program fragment valid, place whitespace in front of
the minus sign. This whitespace will end the preprocessing number.