* doc/Makefile.am: repair some problem if gtk-doc fail or such
* configure.in: patch for Solaris on new autoconf closes #98880
* doc/parsedecl.py: repair the frigging API building script,
  did I say that python xmllib sucks ?
* doc/libxml2-api.xml doc/libxml2-refs.xml: regenerated, reordering
  and some comment are no more truncated.
Daniel