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gcc.texi (Incompatibilities): Update documentation of preprocessing numbers.

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* gcc.texi (Incompatibilities): Update documentation of
	preprocessing numbers.

From-SVN: r39533
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Joseph Myers 2001-02-08 02:32:06 +00:00 committed by Joseph Myers
parent f4d07b5e44
commit 14baf6b5ea
2 changed files with 10 additions and 3 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
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.

8
gcc/gcc.texi
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@ -166,7 +166,7 @@ instead of in the original English.
@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.
@ -1629,8 +1629,10 @@ requires that this be treated as erroneous.
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.