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Imported Upstream version 1.57.0
[platform/upstream/boost.git] / doc / html / boost / program_options / options_description.html
diff --git a/doc/html/boost/program_options/options_description.html b/doc/html/boost/program_options/options_description.html
index e13a503..dee4a24 100644 (file)
--- a/doc/html/boost/program_options/options_description.html
+++ b/doc/html/boost/program_options/options_description.html
@@ -3,10 +3,10 @@
 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
 <title>Class options_description</title>
 <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css">
-<meta name="generator" content="DocBook XSL Stylesheets V1.76.1">
+<meta name="generator" content="DocBook XSL Stylesheets V1.78.1">
 <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset">
 <link rel="up" href="../../program_options/reference.html#header.boost.program_options.options_description_hpp" title="Header &lt;boost/program_options/options_description.hpp&gt;">
-<link rel="prev" href="options_descript_id1136328.html" title="Class options_description_easy_init">
+<link rel="prev" href="options_descr_idp209859984.html" title="Class options_description_easy_init">
 <link rel="next" href="duplicate_option_error.html" title="Class duplicate_option_error">
 </head>
 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
@@ -20,7 +20,7 @@
 </tr></table>
 <hr>
 <div class="spirit-nav">
-<a accesskey="p" href="options_descript_id1136328.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../program_options/reference.html#header.boost.program_options.options_description_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="duplicate_option_error.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a>
+<a accesskey="p" href="options_descr_idp209859984.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../program_options/reference.html#header.boost.program_options.options_description_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="duplicate_option_error.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a>
 </div>
 <div class="refentry">
 <a name="boost.program_options.options_description"></a><div class="titlepage"></div>
@@ -35,31 +35,32 @@
 <span class="keyword">class</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">{</span>
 <span class="keyword">public</span><span class="special">:</span>
   <span class="comment">// <a class="link" href="options_description.html#boost.program_options.options_descriptionconstruct-copy-destruct">construct/copy/destruct</a></span>
-  <a class="link" href="options_description.html#id1166875-bb"><span class="identifier">options_description</span></a><span class="special">(</span><span class="keyword">unsigned</span> <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
+  <a class="link" href="options_description.html#idp226403792-bb"><span class="identifier">options_description</span></a><span class="special">(</span><span class="keyword">unsigned</span> <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
                       <span class="keyword">unsigned</span> <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">/</span><span class="number">2</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="options_description.html#id1166893-bb"><span class="identifier">options_description</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">unsigned</span> <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
+  <a class="link" href="options_description.html#idp228543152-bb"><span class="identifier">options_description</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">unsigned</span> <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
                       <span class="keyword">unsigned</span> <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">/</span><span class="number">2</span><span class="special">)</span><span class="special">;</span>
 
-  <span class="comment">// <a class="link" href="options_description.html#id1160290-bb">public member functions</a></span>
-  <span class="keyword">void</span> <a class="link" href="options_description.html#id1160293-bb"><span class="identifier">add</span></a><span class="special">(</span><span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> <a class="link" href="options_description.html#id1160314-bb"><span class="identifier">add</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
-  <a class="link" href="options_descript_id1136328.html" title="Class options_description_easy_init">options_description_easy_init</a> <a class="link" href="options_description.html#id1160337-bb"><span class="identifier">add_options</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
+  <span class="comment">// <a class="link" href="options_description.html#idp214926352-bb">public member functions</a></span>
+  <span class="keyword">void</span> <a class="link" href="options_description.html#idp214926912-bb"><span class="identifier">add</span></a><span class="special">(</span><span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> <a class="link" href="options_description.html#idp155903952-bb"><span class="identifier">add</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <span class="keyword">unsigned</span> <a class="link" href="options_description.html#idp38645552-bb"><span class="identifier">get_option_column_width</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <a class="link" href="options_descr_idp209859984.html" title="Class options_description_easy_init">options_description_easy_init</a> <a class="link" href="options_description.html#idp204157040-bb"><span class="identifier">add_options</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
   <span class="keyword">const</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&amp;</span> 
-  <a class="link" href="options_description.html#id1158438-bb"><span class="identifier">find</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">bool</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <a class="link" href="options_description.html#idp112501712-bb"><span class="identifier">find</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">bool</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
   <span class="keyword">const</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">*</span> 
-  <a class="link" href="options_description.html#id1158473-bb"><span class="identifier">find_nothrow</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">bool</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
-  <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a class="link" href="options_description.html#id1166842-bb"><span class="identifier">options</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
-  <span class="keyword">void</span> <a class="link" href="options_description.html#id1166852-bb"><span class="identifier">print</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <a class="link" href="options_description.html#idp228719792-bb"><span class="identifier">find_nothrow</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">bool</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a class="link" href="options_description.html#idp156068000-bb"><span class="identifier">options</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
+  <span class="keyword">void</span> <a class="link" href="options_description.html#idp225056704-bb"><span class="identifier">print</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">unsigned</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
 
-  <span class="comment">// <a class="link" href="options_description.html#id1166923-bb">friend functions</a></span>
+  <span class="comment">// <a class="link" href="options_description.html#idp222322688-bb">friend functions</a></span>
   <span class="keyword">friend</span> <span class="identifier">BOOST_PROGRAM_OPTIONS_DECL</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span> 
-  <a class="link" href="options_description.html#id1166926-bb"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
+  <a class="link" href="options_description.html#idp222323248-bb"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 
   <span class="comment">// public data members</span>
   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">unsigned</span> <span class="identifier">m_default_line_length</span><span class="special">;</span>
 <span class="special">}</span><span class="special">;</span></pre></div>
 <div class="refsect1">
-<a name="id2567404"></a><h2>Description</h2>
+<a name="idp345447552"></a><h2>Description</h2>
 <p>A set of option descriptions. This provides convenient interface for adding new option (the add_options) method, and facilities to search for options by name.</p>
 <p>See here for option adding interface discussion. </p>
 <p><span class="bold"><strong>See Also:</strong></span></p>
@@ -67,59 +68,63 @@
 <p>
 </p>
 <div class="refsect2">
-<a name="id2567432"></a><h3>
+<a name="idp345450528"></a><h3>
 <a name="boost.program_options.options_descriptionconstruct-copy-destruct"></a><code class="computeroutput">options_description</code> 
         public
        construct/copy/destruct</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1">
 <li class="listitem">
-<pre class="literallayout"><a name="id1166875-bb"></a><span class="identifier">options_description</span><span class="special">(</span><span class="keyword">unsigned</span> line_length <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
+<pre class="literallayout"><a name="idp226403792-bb"></a><span class="identifier">options_description</span><span class="special">(</span><span class="keyword">unsigned</span> line_length <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
                     <span class="keyword">unsigned</span> min_description_length <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">/</span><span class="number">2</span><span class="special">)</span><span class="special">;</span></pre>
 <p>Creates the instance. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a name="id1166893-bb"></a><span class="identifier">options_description</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> caption<span class="special">,</span> 
+<pre class="literallayout"><a name="idp228543152-bb"></a><span class="identifier">options_description</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> caption<span class="special">,</span> 
                     <span class="keyword">unsigned</span> line_length <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">,</span> 
                     <span class="keyword">unsigned</span> min_description_length <span class="special">=</span> <span class="identifier">m_default_line_length</span><span class="special">/</span><span class="number">2</span><span class="special">)</span><span class="special">;</span></pre>
-<p>Creates the instance. The 'caption' parameter gives the name of this 'options_description' instance. Primarily useful for output. The 'description_length' specifies the number of columns that should be reserved for the description text; if the option text encroaches into this, then the description will start on the next line. </p>
+<p>Creates the instance. The 'caption' parameter gives the name of this '<code class="computeroutput"><a class="link" href="options_description.html" title="Class options_description">options_description</a></code>' instance. Primarily useful for output. The 'description_length' specifies the number of columns that should be reserved for the description text; if the option text encroaches into this, then the description will start on the next line. </p>
 </li>
 </ol></div>
 </div>
 <div class="refsect2">
-<a name="id2567644"></a><h3>
-<a name="id1160290-bb"></a><code class="computeroutput">options_description</code> public member functions</h3>
+<a name="idp345477280"></a><h3>
+<a name="idp214926352-bb"></a><code class="computeroutput">options_description</code> public member functions</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1">
 <li class="listitem">
-<pre class="literallayout"><span class="keyword">void</span> <a name="id1160293-bb"></a><span class="identifier">add</span><span class="special">(</span><span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span> desc<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="keyword">void</span> <a name="idp214926912-bb"></a><span class="identifier">add</span><span class="special">(</span><span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span> desc<span class="special">)</span><span class="special">;</span></pre>
 <p>Adds new variable description. Throws duplicate_variable_error if either short or long name matches that of already present one. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> <a name="id1160314-bb"></a><span class="identifier">add</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> desc<span class="special">)</span><span class="special">;</span></pre>
+<pre class="literallayout"><a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> <a name="idp155903952-bb"></a><span class="identifier">add</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> desc<span class="special">)</span><span class="special">;</span></pre>
 <p>Adds a group of option description. This has the same effect as adding all option_descriptions in 'desc' individually, except that output operator will show a separate group. Returns *this. </p>
 </li>
 <li class="listitem">
-<pre class="literallayout"><a class="link" href="options_descript_id1136328.html" title="Class options_description_easy_init">options_description_easy_init</a> <a name="id1160337-bb"></a><span class="identifier">add_options</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
-<p>Returns an object of implementation-defined type suitable for adding options to <code class="computeroutput"><a class="link" href="options_description.html" title="Class options_description">options_description</a></code>. The returned object will have overloaded operator() with parameter type matching 'option_description' constructors. Calling the operator will create new <code class="computeroutput"><a class="link" href="option_description.html" title="Class option_description">option_description</a></code> instance and add it. </p>
+<pre class="literallayout"><span class="keyword">unsigned</span> <a name="idp38645552-bb"></a><span class="identifier">get_option_column_width</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
+<p>Find the maximum width of the option column, including options in groups. </p>
+</li>
+<li class="listitem">
+<pre class="literallayout"><a class="link" href="options_descr_idp209859984.html" title="Class options_description_easy_init">options_description_easy_init</a> <a name="idp204157040-bb"></a><span class="identifier">add_options</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
+<p>Returns an object of implementation-defined type suitable for adding options to <code class="computeroutput"><a class="link" href="options_description.html" title="Class options_description">options_description</a></code>. The returned object will have overloaded operator() with parameter type matching '<code class="computeroutput"><a class="link" href="option_description.html" title="Class option_description">option_description</a></code>' constructors. Calling the operator will create new <code class="computeroutput"><a class="link" href="option_description.html" title="Class option_description">option_description</a></code> instance and add it. </p>
 </li>
 <li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&amp;</span> 
-<a name="id1158438-bb"></a><span class="identifier">find</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="keyword">bool</span> approx<span class="special">,</span> <span class="keyword">bool</span> long_ignore_case <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> 
+<a name="idp112501712-bb"></a><span class="identifier">find</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="keyword">bool</span> approx<span class="special">,</span> <span class="keyword">bool</span> long_ignore_case <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> 
      <span class="keyword">bool</span> short_ignore_case <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
 <li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">*</span> 
-<a name="id1158473-bb"></a><span class="identifier">find_nothrow</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="keyword">bool</span> approx<span class="special">,</span> 
+<a name="idp228719792-bb"></a><span class="identifier">find_nothrow</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="special">&amp;</span> name<span class="special">,</span> <span class="keyword">bool</span> approx<span class="special">,</span> 
              <span class="keyword">bool</span> long_ignore_case <span class="special">=</span> <span class="keyword">false</span><span class="special">,</span> <span class="keyword">bool</span> short_ignore_case <span class="special">=</span> <span class="keyword">false</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
-<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a name="id1166842-bb"></a><span class="identifier">options</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
+<li class="listitem"><pre class="literallayout"><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="identifier">shared_ptr</span><span class="special">&lt;</span> <a class="link" href="option_description.html" title="Class option_description">option_description</a> <span class="special">&gt;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a name="idp156068000-bb"></a><span class="identifier">options</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
 <li class="listitem">
-<pre class="literallayout"><span class="keyword">void</span> <a name="id1166852-bb"></a><span class="identifier">print</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span> os<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
+<pre class="literallayout"><span class="keyword">void</span> <a name="idp225056704-bb"></a><span class="identifier">print</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span> os<span class="special">,</span> <span class="keyword">unsigned</span> width <span class="special">=</span> <span class="number">0</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
 <p>Outputs 'desc' to the specified stream, calling 'f' to output each <code class="computeroutput"><a class="link" href="option_description.html" title="Class option_description">option_description</a></code> element. </p>
 </li>
 </ol></div>
 </div>
 <div class="refsect2">
-<a name="id2568294"></a><h3>
-<a name="id1166923-bb"></a><code class="computeroutput">options_description</code> friend functions</h3>
+<a name="idp345564432"></a><h3>
+<a name="idp222322688-bb"></a><code class="computeroutput">options_description</code> friend functions</h3>
 <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
 <pre class="literallayout"><span class="keyword">friend</span> <span class="identifier">BOOST_PROGRAM_OPTIONS_DECL</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span> 
-<a name="id1166926-bb"></a><span class="keyword">operator</span><span class="special">&lt;&lt;</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span> os<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> desc<span class="special">)</span><span class="special">;</span></pre>
+<a name="idp222323248-bb"></a><span class="keyword">operator</span><span class="special">&lt;&lt;</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">ostream</span> <span class="special">&amp;</span> os<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="options_description.html" title="Class options_description">options_description</a> <span class="special">&amp;</span> desc<span class="special">)</span><span class="special">;</span></pre>
 <p>Produces a human readable output of 'desc', listing options, their descriptions and allowed parameters. Other <code class="computeroutput"><a class="link" href="options_description.html" title="Class options_description">options_description</a></code> instances previously passed to add will be output separately. </p>
 </li></ol></div>
 </div>
@@ -135,7 +140,7 @@
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Domain: System / Base;