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Merge regex changes from Trunk.
[SVN r76192]
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@ -31,17 +31,17 @@
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Boost-Extended format strings treat all characters as literals except for
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'$', '\', '(', ')', '?', and ':'.
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</p>
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<a name="boost_regex.format.boost_format_syntax.grouping"></a><h5>
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<a name="boost_regex.format.boost_format_syntax.grouping-heading"></a>
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<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.grouping">Grouping</a>
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<h5>
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<a name="boost_regex.format.boost_format_syntax.h0"></a>
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<span><a name="boost_regex.format.boost_format_syntax.grouping"></a></span><a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.grouping">Grouping</a>
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</h5>
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<p>
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The characters '(' and ')' perform lexical grouping, so use \( and \) if
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you want a to output literal parenthesis.
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</p>
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<a name="boost_regex.format.boost_format_syntax.conditionals"></a><h5>
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<a name="boost_regex.format.boost_format_syntax.conditionals-heading"></a>
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<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.conditionals">Conditionals</a>
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<h5>
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<a name="boost_regex.format.boost_format_syntax.h1"></a>
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<span><a name="boost_regex.format.boost_format_syntax.conditionals"></a></span><a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.conditionals">Conditionals</a>
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</h5>
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<p>
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The character '?' begins a conditional expression, the general form is:
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@ -78,9 +78,9 @@
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<p>
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?{NAME}true-expression:false-expression
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</p>
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<a name="boost_regex.format.boost_format_syntax.placeholder_sequences"></a><h5>
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<a name="boost_regex.format.boost_format_syntax.placeholder_sequences-heading"></a>
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<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.placeholder_sequences">Placeholder
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<h5>
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<a name="boost_regex.format.boost_format_syntax.h2"></a>
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<span><a name="boost_regex.format.boost_format_syntax.placeholder_sequences"></a></span><a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.placeholder_sequences">Placeholder
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Sequences</a>
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</h5>
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<p>
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@ -318,9 +318,9 @@
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Any $-placeholder sequence not listed above, results in '$' being treated
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as a literal.
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</p>
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<a name="boost_regex.format.boost_format_syntax.escape_sequences"></a><h5>
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<a name="boost_regex.format.boost_format_syntax.escape_sequences-heading"></a>
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<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.escape_sequences">Escape
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<h5>
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<a name="boost_regex.format.boost_format_syntax.h3"></a>
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<span><a name="boost_regex.format.boost_format_syntax.escape_sequences"></a></span><a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.escape_sequences">Escape
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Sequences</a>
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</h5>
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<p>
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