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doc: improve the index

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* doc/bison.texi: Fix uses of "deffn" so that the arguments of the
directives do not show in the index.
Remove a duplicate entry for api.pure.
This commit is contained in:
Akim Demaille
2012-11-29 14:09:34 +01:00
parent 1f1bd57297
commit 371f1b2b7b
1 changed files with 4 additions and 5 deletions
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doc/bison.texi
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@@ -4866,7 +4866,6 @@ may override this restriction with the @code{%start} declaration as follows:
@cindex reentrant parser
@cindex pure parser
@findex %define api.pure
@findex %define api.pure full
A @dfn{reentrant} program is one which does not alter in the course of
execution; in other words, it consists entirely of @dfn{pure} (read-only)
@@ -7364,7 +7363,7 @@ mysterious behavior altogether. You simply need to activate a more powerful
parser table construction algorithm by using the @code{%define lr.type}
directive.
@deffn {Directive} {%define lr.type @var{TYPE}}
@deffn {Directive} {%define lr.type} @var{TYPE}
Specify the type of parser tables within the LR(1) family. The accepted
values for @var{TYPE} are:
@@ -7553,7 +7552,7 @@ split the parse instead.
To adjust which states have default reductions enabled, use the
@code{%define lr.default-reductions} directive.
@deffn {Directive} {%define lr.default-reductions @var{WHERE}}
@deffn {Directive} {%define lr.default-reductions} @var{WHERE}
Specify the kind of states that are permitted to contain default reductions.
The accepted values of @var{WHERE} are:
@itemize
@@ -7593,7 +7592,7 @@ that solves these problems for canonical LR, IELR, and LALR without
sacrificing @code{%nonassoc}, default reductions, or state merging. You can
enable LAC with the @code{%define parse.lac} directive.
@deffn {Directive} {%define parse.lac @var{VALUE}}
@deffn {Directive} {%define parse.lac} @var{VALUE}
Enable LAC to improve syntax error handling.
@itemize
@item @code{none} (default)
@@ -7689,7 +7688,7 @@ resolution because they are useless in the generated parser. However,
keeping unreachable states is sometimes useful when trying to understand the
relationship between the parser and the grammar.
@deffn {Directive} {%define lr.keep-unreachable-states @var{VALUE}}
@deffn {Directive} {%define lr.keep-unreachable-states} @var{VALUE}
Request that Bison allow unreachable states to remain in the parser tables.
@var{VALUE} must be a Boolean. The default is @code{false}.
@end deffn