* libxslt/pattern.c: fixed bug #61627
* tests/docs/Makefile.am tests/docs/bug-64.xml
  tests/general/Makefile.am tests/general/bug-64.*: added a
  specific example in the regression tests
* tests/docs/Makefile.am tests/docs/bug-63.xml
  tests/general/Makefile.am tests/general/bug-63.*: added a
  specific example in the regression tests for bug #61291
  (fixed in libxml2 module)
* tests/reports/Makefile.am tests/reports/undefvar.*: added
  a test for handling undefined variables
Daniel