From 6399ca2ec57ed430d203a6d232a00cef9cd7d3b0 Mon Sep 17 00:00:00 2001 From: John Millaway Date: Mon, 20 Feb 2006 17:30:19 +0000 Subject: Documentation. --- doc/flex.texi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'doc/flex.texi') diff --git a/doc/flex.texi b/doc/flex.texi index ae744c3..130cf09 100644 --- a/doc/flex.texi +++ b/doc/flex.texi @@ -8272,7 +8272,8 @@ As you can see, there really is no magic here. We just use @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. +future revisions of flex. It is not part of the public API of flex. Do not depend on it.} +must be installed wherever flex is installed. @code{flex} invokes @samp{m4}, found by searching the directories in the @code{PATH} environment variable. Any code you place in section 1 or in the actions will be sent through m4. Please follow these rules to protect your -- cgit v1.2.3