prepare for release work for #303289, fix a formatting bug for MIN_INT

* configure.in doc/* configure.in: prepare for release
* xpath.c: work for #303289, fix a formatting bug for MIN_INT
Daniel
diff --git a/doc/APIchunk12.html b/doc/APIchunk12.html
index e3451a0..a3a22f7 100644
--- a/doc/APIchunk12.html
+++ b/doc/APIchunk12.html
@@ -385,6 +385,7 @@
 </dd><dt>compatible</dt><dd><a href="html/libxml-xmlversion.html#LIBXML_TEST_VERSION">LIBXML_TEST_VERSION</a><br />
 <a href="html/libxml-debugXML.html#xmlShellPwd">xmlShellPwd</a><br />
 </dd><dt>compilation</dt><dd><a href="html/libxml-xmlversion.html#LIBXML_VERSION_EXTRA">LIBXML_VERSION_EXTRA</a><br />
+<a href="html/libxml-xpath.html#XML_XPATH_CHECKNS">XML_XPATH_CHECKNS</a><br />
 <a href="html/libxml-xpath.html#_xmlXPathContext">_xmlXPathContext</a><br />
 <a href="html/libxml-pattern.html#xmlPatterncompile">xmlPatterncompile</a><br />
 <a href="html/libxml-xpath.html#xmlXPathCompile">xmlXPathCompile</a><br />