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Subject: [Boost-commit] svn:boost r55171 - in trunk/libs/spirit/repository: doc/html doc/html/spirit_repository doc/html/spirit_repository/karma_components/karma_generator_directives doc/html/spirit_repository/qi_components/qi_parser_directives doc/html/spirit_repository/qi_components/qi_parser_primitives doc/qi test/qi
From: hartmut.kaiser_at_[hidden]
Date: 2009-07-30 14:42:22

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Author: hkaiser
Date: 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
New Revision: 55171
URL: http://svn.boost.org/trac/boost/changeset/55171

Log:
Spirit: documentation update
Text files modified:
   trunk/libs/spirit/repository/doc/html/index.html | 4
   trunk/libs/spirit/repository/doc/html/spirit_repository/karma_components/karma_generator_directives/karma_confix_generator.html | 18 ++--
   trunk/libs/spirit/repository/doc/html/spirit_repository/preface.html | 8 +-
   trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_directives/qi_distinct_parser.html | 125 +++++++++++++++++++--------------------
   trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_primitives/qi_flush_multi_pass_parser.html | 16 ++--
   trunk/libs/spirit/repository/doc/qi/distinct.qbk | 14 ++--
   trunk/libs/spirit/repository/test/qi/distinct.cpp | 8 +-
   7 files changed, 95 insertions(+), 98 deletions(-)

Modified: trunk/libs/spirit/repository/doc/html/index.html
==============================================================================
--- trunk/libs/spirit/repository/doc/html/index.html (original)
+++ trunk/libs/spirit/repository/doc/html/index.html 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -34,7 +34,7 @@
<div>Copyright © 2001-2009 Joel
 de Guzman, Hartmut Kaiser</div>
<div><div class="legalnotice" title="Legal Notice">
-<a name="id1000060"></a>
+<a name="id1009891"></a>
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
@@ -68,7 +68,7 @@
</div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left">Last revised: July 26, 2009 at 01:16:08 GMT</td>
+<td align="left">Last revised: July 26, 2009 at 03:33:36 GMT</td>
<td align="right"><div class="copyright-footer"></div></td>
</tr></table>
<hr>

Modified: trunk/libs/spirit/repository/doc/html/spirit_repository/karma_components/karma_generator_directives/karma_confix_generator.html
==============================================================================
--- trunk/libs/spirit/repository/doc/html/spirit_repository/karma_components/karma_generator_directives/karma_confix_generator.html (original)
+++ trunk/libs/spirit/repository/doc/html/spirit_repository/karma_components/karma_generator_directives/karma_confix_generator.html 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -27,7 +27,7 @@
 Confix Generator</a>
</h4></div></div></div>
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.description"></a><h6>
-<a name="id1007299"></a>
+<a name="id1017098"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.description">Description</a>
 </h6>

@@ -94,20 +94,20 @@
 tag using a simple: <code class="computeroutput">ol["Some text"]</code> (which results in <code class="computeroutput"><ol>Some text</ol></code>).
 
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.header"></a><h6>
-<a name="id1008223"></a>
+<a name="id1018022"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.header">Header</a>
 </h6>
<pre class="programlisting">// forwards to <boost/spirit/repository/home/karma/confix.hpp>
#include <boost/spirit/repository/include/karma_confix.hpp>
</pre>
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.synopsis"></a><h6>
-<a name="id1008296"></a>
+<a name="id1018096"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.synopsis">Synopsis</a>
 </h6>
<pre class="programlisting">confix(prefix, suffix)[subject]
</pre>
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.parameters"></a><h6>
-<a name="id1008344"></a>
+<a name="id1018144"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.parameters">Parameters</a>
 </h6>
<div class="informaltable"><table class="table">
@@ -176,7 +176,7 @@
 All three parameters can be arbitrary complex generators themselves.
 
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.attribute"></a><h6>
-<a name="id1008503"></a>
+<a name="id1018302"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.attribute">Attribute</a>
 </h6>

@@ -203,7 +203,7 @@
 </td></tr>
</table></div>
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.example"></a><h6>
-<a name="id1008678"></a>
+<a name="id1018477"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.example">Example</a>
 </h6>

@@ -212,7 +212,7 @@
 styles and a function prototype (for the full example code see here: confix.cpp)
 
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.prerequisites"></a><h6>
-<a name="id1008708"></a>
+<a name="id1018507"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.prerequisites">Prerequisites</a>
 </h6>

@@ -250,7 +250,7 @@

 
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.generating_different_comment_styles"></a><h6>
-<a name="id1008952"></a>
+<a name="id1018751"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.generating_different_comment_styles">Generating
 Different Comment Styles</a>
 </h6>
@@ -302,7 +302,7 @@
 */ </code>.
 
<a name="spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.generating_a_function_prototype"></a><h6>
-<a name="id1009253"></a>
+<a name="id1019052"></a>
 <a class="link" href="karma_confix_generator.html#spirit_repository.karma_components.karma_generator_directives.karma_confix_generator.generating_a_function_prototype">Generating
 a Function Prototype</a>
 </h6>

Modified: trunk/libs/spirit/repository/doc/html/spirit_repository/preface.html
==============================================================================
--- trunk/libs/spirit/repository/doc/html/spirit_repository/preface.html (original)
+++ trunk/libs/spirit/repository/doc/html/spirit_repository/preface.html 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -27,7 +27,7 @@
<a name="spirit_repository.preface"></a><a class="link" href="preface.html" title="Preface">Preface</a>
</h2></div></div></div>
<a name="spirit_repository.preface.the_spirit_repository"></a><h4>
-<a name="id1000090"></a>
+<a name="id1009921"></a>
 <a class="link" href="preface.html#spirit_repository.preface.the_spirit_repository">The Spirit
 Repository</a>
 </h4>
@@ -40,7 +40,7 @@
 General List</a>.
 
<a name="spirit_repository.preface.how_to_use_this_manual"></a><h4>
-<a name="id1000125"></a>
+<a name="id1009956"></a>
 <a class="link" href="preface.html#spirit_repository.preface.how_to_use_this_manual">How to use
 this manual</a>
 </h4>
@@ -49,7 +49,7 @@
 icons precede some text to indicate:
 
<div class="table">
-<a name="id1000138"></a>Table 1. Icons
+<a name="id1009969"></a>Table 1. Icons
<div class="table-contents"><table class="table" summary="Icons">
<colgroup>
<col>
@@ -170,7 +170,7 @@
 Tools</a>.
 
<a name="spirit_repository.preface.support"></a><h4>
-<a name="id1000380"></a>
+<a name="id1010210"></a>
 <a class="link" href="preface.html#spirit_repository.preface.support">Support</a>
 </h4>

Modified: trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_directives/qi_distinct_parser.html
==============================================================================
--- trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_directives/qi_distinct_parser.html (original)
+++ trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_directives/qi_distinct_parser.html 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -28,7 +28,7 @@
 Distinct Parser</a>
</h4></div></div></div>
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.description"></a><h6>
-<a name="id1001682"></a>
+<a name="id1011512"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.description">Description</a>
 </h6>

@@ -51,14 +51,14 @@

 It might seem unexpected, but the parser above matches all three inputs
 just fine, even if the third input should not match at all! In order to
- avoid the unwanted we are forced to make our rule more complicated, intermixing
- the intended syntactic analysis with semantic verification:
+ avoid the unwanted match we are forced to make our rule more complicated,
+ intermixing the intended syntactic analysis with semantic verification:
 
<pre class="programlisting">lexeme["declare" >> &char_("a-zA-Z_0-9")] >> -lit(":") >> *(char_ - eol)
</pre>

- (the rule reads as: match declare as long as it's not directly
- followed by a valid identifier).
+ (the rule reads as: match <code class="computeroutput">"declare"</code>
+ as long as it's not directly followed by a valid identifier).
 

 The <code class="computeroutput">distinct[]</code>
@@ -70,74 +70,71 @@

 Using the <code class="computeroutput">distinct[]</code>
 component instead of the explicit sequence has the advantage of being able
- to encapsulate the tail as separate parser construct. The following code
+ to encapsulate the tail as a separate parser construct. The following code
 snippet illustrates the idea (for the full code of this example please
- see distinct.cpp:
+ see distinct.cpp):
 

 



-<pre class="programlisting">namespace distinct
-{
- namespace spirit = boost::spirit;
- namespace ascii = boost::spirit::ascii;
- namespace repo = boost::spirit::repository;
-
- // Define metafunctions allowing to compute the type of the distinct()
- // and ascii::char_() constructs
- namespace traits
- {
- // Metafunction allowing to get the type of any repository::distinct(...)
- // construct
- template <typename Tail>
- struct distinct_spec
- {
- using namespace boost::spirit;
- typedef typename spirit::result_of::terminal<
- repository::tag::distinct(Tail)
- >::type type;
- };
+<pre class="programlisting">namespace spirit = boost::spirit;
+namespace ascii = boost::spirit::ascii;
+namespace repo = boost::spirit::repository;

- // Metafunction allowing to get the type of any ascii::char_(...) construct
- template <typename String>
- struct char__spec
- {
- typedef typename spirit::result_of::terminal<
- spirit::tag::ascii::char_(String)
- >::type type;
- };
- };
-
- // Define a helper function allowing to create a distinct() construct from
- // an arbitrary tail parser
+// Define metafunctions allowing to compute the type of the distinct()
+// and ascii::char_() constructs
+namespace traits
+{
+ // Metafunction allowing to get the type of any repository::distinct(...)
+ // construct
 template <typename Tail>
- inline typename traits::distinct_spec<Tail>::type
- distinct_spec(Tail const& tail)
+ struct distinct_spec
 {
- return repo::distinct(tail);
- }
+ using namespace boost::spirit;
+ typedef typename spirit::result_of::terminal<
+ repository::tag::distinct(Tail)
+ >::type type;
+ };

- // Define a helper function allowing to create a ascii::char_() construct
- // from an arbitrary string representation
+ // Metafunction allowing to get the type of any ascii::char_(...) construct
 template <typename String>
- inline typename traits::char__spec<String>::type
- char__spec(String const& str)
+ struct char__spec
 {
- return ascii::char_(str);
- }
+ typedef typename spirit::result_of::terminal<
+ spirit::tag::ascii::char_(String)
+ >::type type;
+ };
+};

- // the following constructs the type of a distinct_spec holding
- // charset("0-9a-zA-Z_") as its tail parser
- typedef traits::char__spec<std::string>::type charset_tag_type;
- typedef traits::distinct_spec<charset_tag_type>::type keyword_tag_type;
+// Define a helper function allowing to create a distinct() construct from
+// an arbitrary tail parser
+template <typename Tail>
+inline typename traits::distinct_spec<Tail>::type
+distinct_spec(Tail const& tail)
+{
+ return repo::distinct(tail);
+}

- // Define a new Qi keyword directive usable as a shortcut for a
- // repository::distinct(char_(std::string("0-9a-zA-Z_")))
- std::string const keyword_spec("0-9a-zA-Z_");
- keyword_tag_type const keyword = distinct_spec(char__spec(keyword_spec));
+// Define a helper function allowing to create a ascii::char_() construct
+// from an arbitrary string representation
+template <typename String>
+inline typename traits::char__spec<String>::type
+char__spec(String const& str)
+{
+ return ascii::char_(str);
}
+
+// the following constructs the type of a distinct_spec holding a
+// charset("0-9a-zA-Z_") as its tail parser
+typedef traits::char__spec<std::string>::type charset_tag_type;
+typedef traits::distinct_spec<charset_tag_type>::type keyword_tag_type;
+
+// Define a new Qi 'keyword' directive usable as a shortcut for a
+// repository::distinct(char_(std::string("0-9a-zA-Z_")))
+std::string const keyword_spec("0-9a-zA-Z_");
+keyword_tag_type const keyword = distinct_spec(char__spec(keyword_spec));
</pre>

 
@@ -147,7 +144,7 @@
 These definitions define a new Qi parser recognizing keywords! This allows
 to rewrite our declaration parser expression as:
 
-<pre class="programlisting">distinct::keyword["declare"] >> -lit(":") >> *(char_ - eol)
+<pre class="programlisting">keyword["declare"] >> -lit(":") >> *(char_ - eol)
</pre>

 which is much more readable and concise if compared to the original parser
@@ -156,20 +153,20 @@
 above.
 
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.header"></a><h6>
-<a name="id1005764"></a>
+<a name="id1015563"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.header">Header</a>
 </h6>
<pre class="programlisting">// forwards to <boost/spirit/repository/home/qi/distinct.hpp>
#include <boost/spirit/repository/include/qi_distinct.hpp>
</pre>
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.synopsis"></a><h6>
-<a name="id1005837"></a>
+<a name="id1015636"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.synopsis">Synopsis</a>
 </h6>
<pre class="programlisting">distinct(tail)[subject]
</pre>
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.parameters"></a><h6>
-<a name="id1005877"></a>
+<a name="id1015676"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.parameters">Parameters</a>
 </h6>
<div class="informaltable"><table class="table">
@@ -222,7 +219,7 @@
 All two parameters can be arbitrary complex parsers themselves.
 
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.attribute"></a><h6>
-<a name="id1005975"></a>
+<a name="id1015774"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.attribute">Attribute</a>
 </h6>

@@ -236,7 +233,7 @@
<pre class="programlisting">a: A, b: B --> distinct(b)[a]: A
</pre>
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.example"></a><h6>
-<a name="id1006088"></a>
+<a name="id1015887"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.example">Example</a>
 </h6>

@@ -244,7 +241,7 @@
 parser. distinct.cpp)
 
<a name="spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.prerequisites"></a><h6>
-<a name="id1006118"></a>
+<a name="id1015917"></a>
 <a class="link" href="qi_distinct_parser.html#spirit_repository.qi_components.qi_parser_directives.qi_distinct_parser.prerequisites">Prerequisites</a>
 </h6>

Modified: trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_primitives/qi_flush_multi_pass_parser.html
==============================================================================
--- trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_primitives/qi_flush_multi_pass_parser.html (original)
+++ trunk/libs/spirit/repository/doc/html/spirit_repository/qi_components/qi_parser_primitives/qi_flush_multi_pass_parser.html 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -28,7 +28,7 @@
 flush_multi_pass parser</a>
</h4></div></div></div>
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.description"></a><h6>
-<a name="id1000452"></a>
+<a name="id1010282"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.description">Description</a>
 </h6>

@@ -53,20 +53,20 @@
 <code class="computeroutput">eps</code>).
 
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.header"></a><h6>
-<a name="id1000560"></a>
+<a name="id1010390"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.header">Header</a>
 </h6>
<pre class="programlisting">// forwards to <boost/spirit/repository/home/qi/flush_multi_pass.hpp>
#include <boost/spirit/repository/include/qi_flush_multi_pass.hpp>
</pre>
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.synopsis"></a><h6>
-<a name="id1000633"></a>
+<a name="id1010463"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.synopsis">Synopsis</a>
 </h6>
<pre class="programlisting">flush_multi_pass
</pre>
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.parameters"></a><h6>
-<a name="id1000654"></a>
+<a name="id1010485"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.parameters">Parameters</a>
 </h6>

@@ -74,7 +74,7 @@
 not require any parameters.
 
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.attribute"></a><h6>
-<a name="id1000678"></a>
+<a name="id1010509"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.attribute">Attribute</a>
 </h6>

@@ -84,7 +84,7 @@
<pre class="programlisting">flush_multi_pass --> unused
</pre>
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.example"></a><h6>
-<a name="id1000728"></a>
+<a name="id1010558"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.example">Example</a>
 </h6>

@@ -96,7 +96,7 @@
 a function prototype (for the full example code see here: flush_multi_pass.cpp)
 
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.prerequisites"></a><h6>
-<a name="id1000760"></a>
+<a name="id1010590"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.prerequisites">Prerequisites</a>
 </h6>

@@ -133,7 +133,7 @@

 
<a name="spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.clearing_the_internal_buffer"></a><h6>
-<a name="id1000976"></a>
+<a name="id1010806"></a>
 <a class="link" href="qi_flush_multi_pass_parser.html#spirit_repository.qi_components.qi_parser_primitives.qi_flush_multi_pass_parser.clearing_the_internal_buffer">Clearing
 the internal buffer</a>
 </h6>

Modified: trunk/libs/spirit/repository/doc/qi/distinct.qbk
==============================================================================
--- trunk/libs/spirit/repository/doc/qi/distinct.qbk (original)
+++ trunk/libs/spirit/repository/doc/qi/distinct.qbk 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -26,13 +26,13 @@

It might seem unexpected, but the parser above matches all three inputs just
fine, even if the third input should not match at all! In order to avoid the
-unwanted we are forced to make our rule more complicated, intermixing the
-intended syntactic analysis with semantic verification:
+unwanted match we are forced to make our rule more complicated, intermixing
+the intended syntactic analysis with semantic verification:

lexeme["declare" >> &char_("a-zA-Z_0-9")] >> -lit(":") >> *(char_ - eol)

-(the rule reads as: match declare as long as it's not /directly/ followed by a
-valid identifier).
+(the rule reads as: match `"declare"` as long as it's not /directly/ followed
+by a valid identifier).

The `distinct[]` directive can be used to simplify the rule above, allowing at
the same time to avoid the semantic verification at parse time:
@@ -40,9 +40,9 @@
distinct(char_("a-zA-Z_0-9"))["declare"] >> -lit(":") >> *(char_ - eol)

Using the `distinct[]` component instead of the explicit sequence has the
-advantage of being able to encapsulate the tail as separate parser construct.
+advantage of being able to encapsulate the tail as a separate parser construct.
The following code snippet illustrates the idea (for the full code of this
-example please see [@../../test/qi/distinct.cpp distinct.cpp]:
+example please see [@../../test/qi/distinct.cpp distinct.cpp]):

[import ../test/qi/distinct.cpp]
[qi_distinct_encapsulation]
@@ -50,7 +50,7 @@
These definitions define a new Qi parser recognizing keywords! This allows to
rewrite our declaration parser expression as:

- distinct::keyword["declare"] >> -lit(":") >> *(char_ - eol)
+ keyword["declare"] >> -lit(":") >> *(char_ - eol)

which is much more readable and concise if compared to the original parser
expression. In addition the new `keyword[]` directive has the advantage to be

Modified: trunk/libs/spirit/repository/test/qi/distinct.cpp
==============================================================================
--- trunk/libs/spirit/repository/test/qi/distinct.cpp (original)
+++ trunk/libs/spirit/repository/test/qi/distinct.cpp 2009-07-25 23:34:48 EDT (Sat, 25 Jul 2009)
@@ -23,9 +23,9 @@
using namespace boost;

///////////////////////////////////////////////////////////////////////////////
-//[qi_distinct_encapsulation
namespace distinct
{
+ //[qi_distinct_encapsulation
 namespace spirit = boost::spirit;
 namespace ascii = boost::spirit::ascii;
 namespace repo = boost::spirit::repository;
@@ -73,17 +73,17 @@
 return ascii::char_(str);
 }

- // the following constructs the type of a distinct_spec holding
+ // the following constructs the type of a distinct_spec holding a
 // charset("0-9a-zA-Z_") as its tail parser
 typedef traits::char__spec<std::string>::type charset_tag_type;
 typedef traits::distinct_spec<charset_tag_type>::type keyword_tag_type;

- // Define a new Qi keyword directive usable as a shortcut for a
+ // Define a new Qi 'keyword' directive usable as a shortcut for a
 // repository::distinct(char_(std::string("0-9a-zA-Z_")))
 std::string const keyword_spec("0-9a-zA-Z_");
 keyword_tag_type const keyword = distinct_spec(char__spec(keyword_spec));
+ //]
}
-//]

///////////////////////////////////////////////////////////////////////////////
int main()

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