Log Message:
Updating textproc/p5-XML-LibXML from 1.69 to 1.70

pkgsrc changes:
  - Adding license definition
  - Adjusting dependencies
  - Adding SUPERCEDES/CONFLICTS for merged textproc/p5-XML-LibXML-Common

Upstream changes:
1.70
   - various fixes and improvements in the documentation
   - added (convenient yet non-standard) methods nonBlankChildNodes,
     firstNonBlankChild, nextNonBlankSibling, prevNonBlankSibling
     that skip empty or whitespace-only Text and CDATA nodes
   - exposed and documented external entity handler
   - XPathContext can now be passed to toStringC14N and toStringEC14N
     (e.g. to provide NS mapping for the XPath expression)
   - avoid using libxml2's globals (Nick Wellnhofer)
   - added interface to libxml2's regexp implementation: XML::LibXML::RegExp
   - added XML::LibXML->load_xml and XML::LibXML->load_html with
     uniform and cleaner API than the old parse_* family
   - cleanup code dealing with parsing flags
   - fix bogus validation results if revalidating a modified document
   - added 'eq' and 'cmp' overloading on XML::LibXML::Error and set fallback to 1
   - lots of bugs fixed

1.69_2
   - provide context and more accurate column number in
     structured errors
   - clarify license and copyright
   - support for Win32+mingw+ActiveState

1.69_1
   - merge with XML::LibXML::Common
   - fix compilation on Windows with mingw or msvc
   - fix a bug in structured errors preventing the previous errors from being \ 
reported
   - fix compilation bugs
   - fix encoding problem in reader
   - added getAttributeHash to the reader interface
   - fix segfaults: reconcileNs in domReplaceChild, findnodes with a doc \ 
fragment (S. Rezic)