- doc/encoding.html doc/xml.html: added I18N doc

- encoding.[ch] HTMLtree.[ch] parser.c HTMLparser.c: I18N encoding
  improvements, both parser and filters, added ASCII & HTML,
  fixed the ISO-Latin-1 one
- xmllint.c testHTML.c: added/made visible --encode
- debugXML.c : cleanup
- most .c files: applied patches due to warning on Windows and
  when using Sun Pro cc compiler
- xpath.c : cleanup memleaks
- nanoftp.c : added a TESTING preprocessor flag for standalong
  compile so that people can report bugs more easilly
- nanohttp.c : ditched socklen_t which was a portability mess
  and replaced it with unsigned int.
- tree.[ch]: added xmlHasProp()
- TODO: updated
- test/ : added more test for entities, NS, encoding, HTML, wap
- configure.in: preparing for 2.2.0 release
Daniel

include/libxml/HTMLparser.h

@@ -81,6 +81,10 @@ htmlDocPtr		htmlSAXParseFile(const char *filename,
 					 void *userData);
 htmlDocPtr		htmlParseFile	(const char *filename,
 					 const char *encoding);
+int			UTF8ToHtml	(unsigned char* out,
+					 int *outlen,
+					 const unsigned char* in,
+					 int *inlen);
 
 /**
  * Interfaces for the Push mode