- libxslt/documents.[ch] libxslt/functions.c libxslt/imports.c
  libxslt/xslt.c libxslt/xsltInternals.h: changed teh way to store
  Includes, more document changes
- libxslt/xsltutils.c: fix the output of doctype and what is or
  is not HTML
- tests/REC/*.out tests/REC2/html.xml : changed output accordingly
- tests/Makefile.am tests/documents/* : added a new test from Stric
  exercising document() among other things
Daniel