[libxml2] (11 commits) Created branch 2.10

[Nick Wellnhofer <nwellnhof src gnome org>]

The branch '2.10' was created.

Summary of new commits:

  0350a3b... Remove Makefile rule to build testapi.c
  27fe54f... Remove libxml2-refs.xml
  c4c816d... Fix order of exports in libxml2-api.xml
  2921673... Port doc/examples/index.py to Python 3
  d83dc54... Fix xmlCtxtReadDoc with encoding
  7dfeb3a... Use xmlStrlen in *CtxtReadDoc
  b834813... Fix HTML parser with threads and --without-legacy
  1672e6d... cmake: Disable version script on macOS
  62c88b6... Switch back to HTML output for API documentation
  703667f... Rebuild documentation
  d85c4a0... Release v2.10.1