fix the comment to describe the real return values lot of work on the

* encoding.c: fix the comment to describe the real return values
* pattern.c xpath.c include/libxml/pattern.h: lot of work on
  the patterns, pluggin in the XPath default evaluation, but
  disabled right now because it's not yet good enough for XSLT.
  pattern.h streaming API are likely to be changed to handle
  relative and absolute paths in the same expression.
Daniel
5 files changed