less verbose on difference cleanup fixed xmlCleanupParser() doc work on

* check-xinclude-test-suite.py: less verbose on difference
* libxml.spec.in: cleanup
* parser.c: fixed xmlCleanupParser() doc
* doc/Makefile.am doc/apibuild.py doc/libxml2-api.xml
  doc/examples/Makefile.am doc/examples/example1.c
  doc/examples/examples.xml doc/examples/index.py
  doc/examples/test1.xml: work on adding C examples and
  generating automated information about those. examples.xml
  is autogenerated describing the examples.
* example/Makefile.am: cleanup
Daniel
diff --git a/parser.c b/parser.c
index ff58294..d1cb2e2 100644
--- a/parser.c
+++ b/parser.c
@@ -12083,11 +12083,11 @@
 /**
  * xmlCleanupParser:
  *
- * Cleanup function for the XML parser. It tries to reclaim all
- * parsing related global memory allocated for the parser processing.
+ * Cleanup function for the XML library. It tries to reclaim all
+ * parsing related global memory allocated for the library processing.
  * It doesn't deallocate any document related memory. Calling this
- * function should not prevent reusing the parser.
- * One should call xmlCleanupParser() only when the process has
+ * function should not prevent reusing the library but one should
+ * call xmlCleanupParser() only when the process has
  * finished using the library or XML document built with it.
  */