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comparison gcc/doc/trouble.texi @ 63:b7f97abdc517 gcc-4.6-20100522

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update gcc from gcc-4.5.0 to gcc-4.6
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Mon, 24 May 2010 12:47:05 +0900
parents 77e2b8dfacca
children f6334be47118
comparison
equal deleted inserted replaced
56:3c8a44c06a95 63:b7f97abdc517
1 @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1 @c Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
2 @c 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009 2 @c 1999, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
3 @c Free Software Foundation, Inc. 3 @c Free Software Foundation, Inc.
4 @c This is part of the GCC manual. 4 @c This is part of the GCC manual.
5 @c For copying conditions, see the file gcc.texi. 5 @c For copying conditions, see the file gcc.texi.
6 6
7 @node Trouble 7 @node Trouble
465 requires that this be treated as erroneous. 465 requires that this be treated as erroneous.
466 466
467 A @dfn{preprocessing token} is a @dfn{preprocessing number} if it 467 A @dfn{preprocessing token} is a @dfn{preprocessing number} if it
468 begins with a digit and is followed by letters, underscores, digits, 468 begins with a digit and is followed by letters, underscores, digits,
469 periods and @samp{e+}, @samp{e-}, @samp{E+}, @samp{E-}, @samp{p+}, 469 periods and @samp{e+}, @samp{e-}, @samp{E+}, @samp{E-}, @samp{p+},
470 @samp{p-}, @samp{P+}, or @samp{P-} character sequences. (In strict C89 470 @samp{p-}, @samp{P+}, or @samp{P-} character sequences. (In strict C90
471 mode, the sequences @samp{p+}, @samp{p-}, @samp{P+} and @samp{P-} cannot 471 mode, the sequences @samp{p+}, @samp{p-}, @samp{P+} and @samp{P-} cannot
472 appear in preprocessing numbers.) 472 appear in preprocessing numbers.)
473 473
474 To make the above program fragment valid, place whitespace in front of 474 To make the above program fragment valid, place whitespace in front of
475 the minus sign. This whitespace will end the preprocessing number. 475 the minus sign. This whitespace will end the preprocessing number.