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- add Expat version number

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- add notes about safely using XMLCALL with older Expat versions
This commit is contained in:
Fred L. Drake, Jr. 2003-10-15 18:49:54 +00:00
parent 6590085eff
commit 5635f09e4c
1 changed files with 19 additions and 1 deletions
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20
expat/doc/reference.html
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@ -15,6 +15,8 @@
<body>
<h1>Expat XML Parser</h1>
<p><em>Release 1.95.7.</em></p>
<p>Expat is a library, written in C, for parsing XML documents. It's
the underlying XML parser for the open source Mozilla project, Perl's
<code>XML::Parser</code>, Python's <code>xml.parsers.expat</code>, and
@ -223,7 +225,23 @@ callbacks should be defined using this annotation.</p>
existing working Expat applications don't need to add it (since they
are already using the "cdecl" calling convention, or they wouldn't be
working). The annotation is only needed if the default calling
convention may be something other than "cdecl".</p>
convention may be something other than "cdecl". To use the annotation
safely with older versions of Expat, you can conditionally define it
<em>after</em> including Expat's header file:</p>
<pre class="eg">
#include &lt;expat.h&gt;
#ifndef XMLCALL
#if defined(_MSC_EXTENSIONS) && !defined(__BEOS__) && !defined(__CYGWIN__)
#define XMLCALL __cdecl
#elif defined(__GNUC__)
#define XMLCALL __attribute__((cdecl))
#else
#define XMLCALL
#endif
#endif
</pre>
<p>After creating the parser, the main program just has the job of
shoveling the document to the parser so that it can do its work.</p>