X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e358222ba8056b962878b61b3825acaed8b9d9be..4acc22e5cf47432cec8e196f6f1fefb43453f3b5:/doc/bison.texi?ds=sidebyside

diff --git a/doc/bison.texi b/doc/bison.texi
index a53b52fc..ad605054 100644
--- a/doc/bison.texi
+++ b/doc/bison.texi
@@ -110,7 +110,7 @@ Reference sections:
 * Glossary::            Basic concepts are explained.
 * Copying This Manual:: License for copying this manual.
 * Bibliography::        Publications cited in this manual.
-* Index::               Cross-references to the text.
+* Index of Terms::      Cross-references to the text.
 
 @detailmenu
  --- The Detailed Node Listing ---
@@ -4552,9 +4552,9 @@ code.
 @deffn {Directive} %initial-action @{ @var{code} @}
 @findex %initial-action
 Declare that the braced @var{code} must be invoked before parsing each time
-@code{yyparse} is called.  The @var{code} may use @code{$$} and
-@code{@@$} --- initial value and location of the lookahead --- and the
-@code{%parse-param}.
+@code{yyparse} is called.  The @var{code} may use @code{$$} (or
+@code{$<@var{tag}>$}) and @code{@@$} --- initial value and location of the
+lookahead --- and the @code{%parse-param}.
 @end deffn
 
 For instance, if your locations use a file name, you may use
@@ -4592,11 +4592,11 @@ symbol is automatically discarded.
 @deffn {Directive} %destructor @{ @var{code} @} @var{symbols}
 @findex %destructor
 Invoke the braced @var{code} whenever the parser discards one of the
-@var{symbols}.
-Within @var{code}, @code{$$} designates the semantic value associated
-with the discarded symbol, and @code{@@$} designates its location.
-The additional parser parameters are also available (@pxref{Parser Function, ,
-The Parser Function @code{yyparse}}).
+@var{symbols}.  Within @var{code}, @code{$$} (or @code{$<@var{tag}>$})
+designates the semantic value associated with the discarded symbol, and
+@code{@@$} designates its location.  The additional parser parameters are
+also available (@pxref{Parser Function, , The Parser Function
+@code{yyparse}}).
 
 When a symbol is listed among @var{symbols}, its @code{%destructor} is called a
 per-symbol @code{%destructor}.
@@ -4734,10 +4734,11 @@ Decl, , Freeing Discarded Symbols}).
 @c This is the same text as for %destructor.
 Invoke the braced @var{code} whenever the parser displays one of the
 @var{symbols}.  Within @var{code}, @code{yyoutput} denotes the output stream
-(a @code{FILE*} in C, and an @code{std::ostream&} in C++),
-@code{$$} designates the semantic value associated with the symbol, and
-@code{@@$} its location.  The additional parser parameters are also
-available (@pxref{Parser Function, , The Parser Function @code{yyparse}}).
+(a @code{FILE*} in C, and an @code{std::ostream&} in C++), @code{$$} (or
+@code{$<@var{tag}>$}) designates the semantic value associated with the
+symbol, and @code{@@$} its location.  The additional parser parameters are
+also available (@pxref{Parser Function, , The Parser Function
+@code{yyparse}}).
 
 The @var{symbols} are defined as for @code{%destructor} (@pxref{Destructor
 Decl, , Freeing Discarded Symbols}.): they can be per-type (e.g.,
@@ -5790,9 +5791,9 @@ function is available if either the @code{%define api.push-pull push} or
 @xref{Push Decl, ,A Push Parser}.
 
 @deftypefun int yypush_parse (yypstate *yyps)
-The value returned by @code{yypush_parse} is the same as for yyparse with the
-following exception.  @code{yypush_parse} will return YYPUSH_MORE if more input
-is required to finish parsing the grammar.
+The value returned by @code{yypush_parse} is the same as for yyparse with
+the following exception: it returns @code{YYPUSH_MORE} if more input is
+required to finish parsing the grammar.
 @end deftypefun
 
 @node Pull Parser Function
@@ -8498,7 +8499,7 @@ parser.  This is compliant with POSIX Yacc.  You could use
 YYDEBUG 1} in the prologue of the grammar file (@pxref{Prologue, , The
 Prologue}).
 
-If the @code{%define} variable @code{api.prefix} is used (@xref{Multiple
+If the @code{%define} variable @code{api.prefix} is used (@pxref{Multiple
 Parsers, ,Multiple Parsers in the Same Program}), for instance @samp{%define
 api.prefix x}, then if @code{CDEBUG} is defined, its value controls the
 tracing feature (enabled iff nonzero); otherwise tracing is enabled iff
@@ -11704,8 +11705,8 @@ London, Department of Computer Science, TR-00-12 (December 2000).
 @uref{http://www.cs.rhul.ac.uk/research/languages/publications/tomita_style_1.ps}
 @end table
 
-@node Index
-@unnumbered Index
+@node Index of Terms
+@unnumbered Index of Terms
 
 @printindex cp