Merge remote-tracking branch 'origin/maint'

* origin/maint: (46 commits)
  doc: minor style change
  maint: use gendocs's new -I option
  regen
  yacc.c: do not define location support when not using locations
  maint: be compilable with GCC 4.0
  tests: address a warning from GCC 4.4
  tests: don't use options that Clang does not support
  tests: restore the tests on -Werror
  regen
  parse-gram: update the Bison interface
  fix comment
  maint: post-release administrivia
  version 2.6.4
  regen
  2.6.4: botched 2.6.3
  maint: post-release administrivia
  version 2.6.3
  gnulib: update
  tests: check %no-lines
  NEWS: warnings with clang
  ...

Conflicts:
	NEWS
	TODO
	data/c.m4
	data/java.m4
	doc/Makefile.am
	src/getargs.c
	src/getargs.h
	src/output.c
	src/parse-gram.c
	src/parse-gram.h
	src/parse-gram.y
	src/reader.h

data/c.m4

@@ -557,7 +557,7 @@ m4_define([b4_YYDEBUG_define],
 #  endif
 # else /* ! defined YYDEBUG */
 #  define ]b4_api_PREFIX[DEBUG ]b4_parse_trace_if([1], [0])[
-# endif /* ! defined ]b4_api_PREFIX[DEBUG */
+# endif /* ! defined YYDEBUG */
 #endif  /* ! defined ]b4_api_PREFIX[DEBUG */]])[]dnl
 ])
 

data/java.m4

@@ -200,7 +200,7 @@ m4_define([b4_init_throws], [b4_percent_define_get([[init_throws]])])
 b4_percent_define_default([[api.location.type]], [Location])
 m4_define([b4_location_type], [b4_percent_define_get([[api.location.type]])])
 
-b4_percent_define_default([[api.position.type]], [Position])])
+b4_percent_define_default([[api.position.type]], [Position])
 m4_define([b4_position_type], [b4_percent_define_get([[api.position.type]])])
 
 

data/xslt/xml2dot.xsl

@@ -55,7 +55,11 @@
   <xsl:call-template name="escape">
     <xsl:with-param name="subject" select="$filename"/>
   </xsl:call-template>
-  <xsl:text>"&#10;{&#10;</xsl:text>
+  <xsl:text>&#10;{
+  node [fontname = courier, shape = box, colorscheme = paired6]
+  edge [fontname = courier]
+
+</xsl:text>
   <xsl:apply-templates select="state"/>
   <xsl:text>}&#10;</xsl:text>
 </xsl:template>
@@ -124,20 +128,20 @@
     <xsl:with-param name="dst" select="@state"/>
     <xsl:with-param name="style">
       <xsl:choose>
-        <xsl:when test="@symbol = 'error'">
-          <xsl:text>dotted</xsl:text>
-        </xsl:when>
-        <xsl:when test="@type = 'shift'">
-          <xsl:text>solid</xsl:text>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:text>dashed</xsl:text>
-        </xsl:otherwise>
+	<xsl:when test="@symbol = 'error'">
+	  <xsl:text>dotted</xsl:text>
+	</xsl:when>
+	<xsl:when test="@type = 'shift'">
+	  <xsl:text>solid</xsl:text>
+	</xsl:when>
+	<xsl:otherwise>
+	  <xsl:text>dashed</xsl:text>
+	</xsl:otherwise>
       </xsl:choose>
     </xsl:with-param>
     <xsl:with-param name="label">
       <xsl:if test="not(@symbol = 'error')">
-        <xsl:value-of select="@symbol"/>
+	<xsl:value-of select="@symbol"/>
       </xsl:if>
     </xsl:with-param>
   </xsl:call-template>

data/yacc.c

@@ -685,18 +685,14 @@ while (0)
 # else
 #  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 # endif
-#endif]], [[
-
-
-/* This macro is provided for backward compatibility. */
-
+#endif]],
+[[/* This macro is provided for backward compatibility. */
 #ifndef YY_LOCATION_PRINT
 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
 #endif]])[
 
 
 /* YYLEX -- calling `yylex' with the right arguments.  */
-
 #ifdef YYLEX_PARAM
 # define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM)
 #else