finished the integration with devhelp, completing the index and inserted

* libxml.spec.in doc/devhelp/*: finished the integration with
  devhelp, completing the index and inserted into the gtk-doc
  database at "make install" stage
Daniel
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+<?xml version="1.0" encoding="UTF-8"?>
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+    <title>xmlsave: the XML document serializer</title>
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+    <h2>
+      <span class="refentrytitle">xmlsave</span>
+    </h2>
+    <p>xmlsave - the XML document serializer</p>
+    <p>API to save document or subtree of document </p>
+    <p>Author(s): Daniel Veillard </p>
+    <div class="refsynopsisdiv">
+      <h2>Synopsis</h2>
+      <pre class="synopsis">typedef enum <a href="#xmlSaveOption">xmlSaveOption</a>;
+typedef struct _xmlSaveCtxt <a href="#xmlSaveCtxt">xmlSaveCtxt</a>;
+typedef <a href="libxml2-xmlsave.html#xmlSaveCtxt">xmlSaveCtxt</a> * <a href="#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>;
+<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>	<a href="#xmlSaveToIO">xmlSaveToIO</a>		(<a href="libxml2-xmlIO.html#xmlOutputWriteCallback">xmlOutputWriteCallback</a> iowrite, <br/>					 <a href="libxml2-xmlIO.html#xmlOutputCloseCallback">xmlOutputCloseCallback</a> ioclose, <br/>					 void * ioctx, <br/>					 const char * encoding, <br/>					 int options);
+<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>	<a href="#xmlSaveToFd">xmlSaveToFd</a>		(int fd, <br/>					 const char * encoding, <br/>					 int options);
+int	<a href="#xmlSaveClose">xmlSaveClose</a>			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt);
+int	<a href="#xmlSaveSetAttrEscape">xmlSaveSetAttrEscape</a>		(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape);
+<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>	<a href="#xmlSaveToFilename">xmlSaveToFilename</a>	(const char * filename, <br/>					 const char * encoding, <br/>					 int options);
+int	<a href="#xmlSaveFlush">xmlSaveFlush</a>			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt);
+long	<a href="#xmlSaveDoc">xmlSaveDoc</a>			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc);
+int	<a href="#xmlSaveSetEscape">xmlSaveSetEscape</a>		(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape);
+long	<a href="#xmlSaveTree">xmlSaveTree</a>			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node);
+</pre>
+    </div>
+    <div class="refsect1" lang="en">
+      <h2>Description</h2>
+    </div>
+    <div class="refsect1" lang="en">
+      <h2>Details</h2>
+      <div class="refsect2" lang="en">
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveCtxt">Structure </a>xmlSaveCtxt</h3><pre class="programlisting">struct _xmlSaveCtxt {
+The content of this structure is not made public by the API.
+} xmlSaveCtxt;
+</pre><p/>
+</div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveCtxtPtr">Typedef </a>xmlSaveCtxtPtr</h3><pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxt">xmlSaveCtxt</a> * xmlSaveCtxtPtr;
+</pre><p/>
+</div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveOption">Enum </a>xmlSaveOption</h3><pre class="programlisting">enum <a href="#xmlSaveOption">xmlSaveOption</a> {
+    <a name="XML_SAVE_FORMAT">XML_SAVE_FORMAT</a> = 1 /* format save output */
+    <a name="XML_SAVE_NO_DECL">XML_SAVE_NO_DECL</a> = 2 /*  drop the xml declaration */
+};
+</pre><p/>
+</div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveClose"/>xmlSaveClose ()</h3><pre class="programlisting">int	xmlSaveClose			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt)<br/>
+</pre><p>Close a document saving context, i.e. make sure that all bytes have been output and free the associated data.</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a document saving context</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of byte written or -1 in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveDoc"/>xmlSaveDoc ()</h3><pre class="programlisting">long	xmlSaveDoc			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc)<br/>
+</pre><p>Save a full document to a saving context TODO: The function is not fully implemented yet as it does not return the byte count but 0 instead</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a document saving context</td></tr><tr><td><span class="term"><i><tt>doc</tt></i>:</span></td><td>a document</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of byte written or -1 in case of error</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveFlush"/>xmlSaveFlush ()</h3><pre class="programlisting">int	xmlSaveFlush			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt)<br/>
+</pre><p>Flush a document saving context, i.e. make sure that all bytes have been output.</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a document saving context</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of byte written or -1 in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveSetAttrEscape"/>xmlSaveSetAttrEscape ()</h3><pre class="programlisting">int	xmlSaveSetAttrEscape		(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape)<br/>
+</pre><p>Set a custom escaping function to be used for text in <a href="libxml2-SAX.html#attribute">attribute</a> content</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a document saving context</td></tr><tr><td><span class="term"><i><tt>escape</tt></i>:</span></td><td>the escaping function</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if successful or -1 in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveSetEscape"/>xmlSaveSetEscape ()</h3><pre class="programlisting">int	xmlSaveSetEscape		(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-encoding.html#xmlCharEncodingOutputFunc">xmlCharEncodingOutputFunc</a> escape)<br/>
+</pre><p>Set a custom escaping function to be used for text in element content</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a document saving context</td></tr><tr><td><span class="term"><i><tt>escape</tt></i>:</span></td><td>the escaping function</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if successful or -1 in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveToFd"/>xmlSaveToFd ()</h3><pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>	xmlSaveToFd		(int fd, <br/>					 const char * encoding, <br/>					 int options)<br/>
+</pre><p>Create a document saving context serializing to a file descriptor with the encoding and the options given.</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>fd</tt></i>:</span></td><td>a file descriptor number</td></tr><tr><td><span class="term"><i><tt>encoding</tt></i>:</span></td><td>the encoding name to use or NULL</td></tr><tr><td><span class="term"><i><tt>options</tt></i>:</span></td><td>a set of xmlSaveOptions</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new serialization context or NULL in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveToFilename"/>xmlSaveToFilename ()</h3><pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>	xmlSaveToFilename	(const char * filename, <br/>					 const char * encoding, <br/>					 int options)<br/>
+</pre><p>Create a document saving context serializing to a filename or possibly to an URL (but this is less reliable) with the encoding and the options given.</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>filename</tt></i>:</span></td><td>a file name or an URL</td></tr><tr><td><span class="term"><i><tt>encoding</tt></i>:</span></td><td>the encoding name to use or NULL</td></tr><tr><td><span class="term"><i><tt>options</tt></i>:</span></td><td>a set of xmlSaveOptions</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new serialization context or NULL in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveToIO"/>xmlSaveToIO ()</h3><pre class="programlisting"><a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a>	xmlSaveToIO		(<a href="libxml2-xmlIO.html#xmlOutputWriteCallback">xmlOutputWriteCallback</a> iowrite, <br/>					 <a href="libxml2-xmlIO.html#xmlOutputCloseCallback">xmlOutputCloseCallback</a> ioclose, <br/>					 void * ioctx, <br/>					 const char * encoding, <br/>					 int options)<br/>
+</pre><p>Create a document saving context serializing to a file descriptor with the encoding and the options given</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>iowrite</tt></i>:</span></td><td>an I/O write function</td></tr><tr><td><span class="term"><i><tt>ioclose</tt></i>:</span></td><td>an I/O close function</td></tr><tr><td><span class="term"><i><tt>ioctx</tt></i>:</span></td><td>an I/O handler</td></tr><tr><td><span class="term"><i><tt>encoding</tt></i>:</span></td><td>the encoding name to use or NULL</td></tr><tr><td><span class="term"><i><tt>options</tt></i>:</span></td><td>a set of xmlSaveOptions</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a new serialization context or NULL in case of error.</td></tr></tbody></table></div></div>
+        <hr/>
+        <div class="refsect2" lang="en"><h3><a name="xmlSaveTree"/>xmlSaveTree ()</h3><pre class="programlisting">long	xmlSaveTree			(<a href="libxml2-xmlsave.html#xmlSaveCtxtPtr">xmlSaveCtxtPtr</a> ctxt, <br/>					 <a href="libxml2-tree.html#xmlNodePtr">xmlNodePtr</a> node)<br/>
+</pre><p>Save a subtree starting at the node parameter to a saving context TODO: The function is not fully implemented yet as it does not return the byte count but 0 instead</p>
+<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>ctxt</tt></i>:</span></td><td>a document saving context</td></tr><tr><td><span class="term"><i><tt>node</tt></i>:</span></td><td>a document</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of byte written or -1 in case of error</td></tr></tbody></table></div></div>
+        <hr/>
+      </div>
+    </div>
+  </body>
+</html>