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Diffstat (limited to 'doc/flex.texi')
| -rw-r--r-- | doc/flex.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/flex.texi b/doc/flex.texi index 64d9767..8b6591f 100644 --- a/doc/flex.texi +++ b/doc/flex.texi @@ -4585,6 +4585,12 @@ indicating which version of @code{flex} generated the scanner. For example, for the 2.5.22 release, these defines would be 2, 5 and 22 respectively. If the version of @code{flex} being used is a beta version, then the symbol @code{FLEX_BETA} is defined. + +@item +The symbols @samp{[[} and @samp{]]} in the code sections of the input +may conflict with the m4 delimiters. @xref{M4 Dependency}. + + @end itemize @cindex POSIX comp;compliance @@ -8228,7 +8234,6 @@ As you can see, there really is no magic here. We just use @node M4 Dependency, , Bison Bridge, Appendices @section M4 Dependency @cindex m4 - The macro processor @code{m4}@footnote{The use of m4 is subject to change in future revisions of flex.} must be installed wherever flex is installed. @code{flex} invokes @samp{m4}, found by searching the directories in the |