Merge tag 'v2.6.4' into upstream

version 2.6.4

Signed-off-by: Manoj Srivastava <srivasta@debian.org>

2 files changed, 19 insertions, 42 deletions

diff --git a/doc/Makefile.am b/doc/Makefile.am
index e6e97c8..523aa97 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,30 +1,14 @@
-help2man = @HELP2MAN@
+FLEX = $(top_builddir)/src/flex$(EXEEXT)
 
 info_TEXINFOS =	flex.texi
 dist_man_MANS = flex.1
+MAINTAINERCLEANFILES = flex.1
 
-CLEANFILES = \
-	flex.aux \
-	flex.cp \
-	flex.cps \
-	flex.fn \
-	flex.fns \
-	flex.hk \
-	flex.hks \
-	flex.ky \
-	flex.log \
-	flex.op \
-	flex.ops \
-	flex.pg \
-	flex.toc \
-	flex.tp \
-	flex.tps \
-	flex.vr \
-	flex.vrs
+CLEANFILES = *.aux *.cp *.cps *.fn *.fns *.hk *.hks *.ky *.log \
+	*.op *.ops *.pg *.toc *.tp *.tps *.vr *.vrs
 
-$(dist_man_MANS): $(top_srcdir)/configure.ac $(top_srcdir)/src/flex.skl $(top_srcdir)/src/options.c $(top_srcdir)/src/options.h
-	for i in $(dist_man_MANS) ; do \
-	$(help2man) --name='$(PACKAGE_NAME)' \
-	--section=`echo $$i | sed -e 's/.*\.\([^.]*\)$$/\1/'` \
-	 $(top_srcdir)/src/flex$(EXEEXT) > $$i || rm -f $$i ; \
-	done
+flex.1: $(top_srcdir)/configure.ac $(top_srcdir)/src/flex.skl $(top_srcdir)/src/options.c $(top_srcdir)/src/options.h | $(FLEX)
+	$(HELP2MAN) --name='$(PACKAGE_NAME)' --section=1 \
+	--source='The Flex Project' --manual='Programming' \
+	--output=$@ $(FLEX) \
+	|| rm -f $@
diff --git a/doc/flex.texi b/doc/flex.texi
index af639f1..bccab1e 100644
--- a/doc/flex.texi
+++ b/doc/flex.texi
@@ -408,7 +408,7 @@ A somewhat more complicated example:
 
     "+"|"-"|"*"|"/"   printf( "An operator: %s\n", yytext );
 
-    "{"[\^{}}\n]*"}"     /* eat up one-line comments */
+    "{"[^{}\n]*"}"     /* eat up one-line comments */
 
     [ \t\n]+          /* eat up whitespace */
 
@@ -1491,15 +1491,14 @@ the scanning routine using a K&R-style/non-prototyped function
 declaration, you must terminate the definition with a semi-colon (;).
 
 @code{flex} generates @samp{C99} function definitions by
-default. However flex does have the ability to generate obsolete, er,
-@samp{traditional}, function definitions. This is to support
+default. Flex used to have the ability to generate obsolete, er,
+@samp{traditional}, function definitions. This was to support
 bootstrapping gcc on old systems.  Unfortunately, traditional
 definitions prevent us from using any standard data types smaller than
-int (such as short, char, or bool) as function arguments.  For this
-reason, future versions of @code{flex} may generate standard C99 code
-only, leaving K&R-style functions to the historians.  Currently, if you
-do @strong{not} want @samp{C99} definitions, then you must use 
-@code{%option noansi-definitions}.
+int (such as short, char, or bool) as function arguments.  Furthermore,
+traditional definitions support added extra complexity in the skeleton file.
+For this reason, current versions of @code{flex} generate standard C99 code
+only, leaving K&R-style functions to the historians.
 
 @cindex stdin, default for yyin
 @cindex yyin
@@ -2183,7 +2182,7 @@ manages its own input buffer stack manually (instead of letting flex do it).
             }
 
     <<EOF>> {
-            if ( --include_stack_ptr  0 )
+            if ( --include_stack_ptr == 0 )
                 {
                 yyterminate();
                 }
@@ -2860,19 +2859,13 @@ calls @code{yylex()} again).
 @opindex ---option-ansi-definitions
 @opindex ansi-definitions
 @item --ansi-definitions, @code{%option ansi-definitions}
-instruct flex to generate ANSI C99 definitions for functions.
-This option is enabled by default.
-If @code{%option noansi-definitions} is specified, then the obsolete style
-is generated.
+Deprecated, ignored
 
 @anchor{option-ansi-prototypes}
 @opindex ---option-ansi-prototypes
 @opindex ansi-prototypes
 @item --ansi-prototypes, @code{%option ansi-prototypes}
-instructs flex to generate ANSI C99 prototypes for functions. 
-This option is enabled by default.
-If @code{noansi-prototypes} is specified, then
-prototypes will have empty parameter lists.
+Deprecated, ignored
 
 @anchor{option-bison-bridge}
 @opindex ---bison-bridge