HTML-Tree-4.0

Changes for version 4.0

THINGS THAT MAY BREAK YOUR CODE OR TESTS
- Changes to entity encoding from ord values to XML entities may break tests expecting  style encoding.
- Attribute names are now validated in as_XML and invalid names will cause an error.
FIXES
- Optionally empty tags with content now have close tag. (RT #49932 #41806)
- Added attribute name validation. (RT #23439)
- Added span to @TAGS in AsSubs. (RT #55848)
- Changed tag encoding to human readable form, e.g. >, and stopped re-encoding encoded tags (RT #55835)
- Added no_expand_entities option to disable entity decoding when parsing source. (RT #24947)
- Fix replace_with not setting parent for an array of content. (RT #28204 #45495)
- Removed newline being appended to as_HTML output. (RT #41739)
- Fix invalid parent for subsclasses. (RT #36247)
- Fixed #! line in tests (RT #41945)
- Switched to Module::Build
- Fixed Perl::Critic errors
- Added lots of use strict and use warnings
- Fix PERL_UNICODE breaking tests. (RT #28404)
- Add check for class type to traverse. (RT #35948)
- Move attribute name validation to as_XML. (RT #60619)
- Fix critic test exploding if Test::Perl::Critic isn't installed.
- Fix annoying message about x.yy_z not being numeric in t/building.t
- Added extra_chars options to as_trimmed_text (RT #26436)
- Added catch for broken table tags (RT #59980)
- Replace parentheses for constants. (RT #58880)
- Removed build deps Devel::Cover, Test::Pod::Coverage, Test::Perl::Critic. (RT #58878)
- Added create_makefile_pl => 'traditional' to Build.PL (RT #58878)
ENHANCEMENTS
- (Ricardo Signes RT #26282) The secret hack to allow elements to be created from classes other than HTML::Element has been cleaned up and documented for the benefit of TreeBuilder subclasses. q.v., HTML::TreeBuilder->element_class
- Added HTML::Element::encoded_content to control encoding of entities on output.
TESTS
- Added test for optionally empty tags, like A.
- Added test for invalid attribute name.
- Added more tests for entity parsing.
- Add parent test from Christopher J. Madsen. (RT #28204)
- Add subclass test. (RT #36247)
- DOCUMENTATION
  - Docs spelling patch from Ansgar Burchardt <ansgar@43-1.org> (RT #55836)
  - Added definition of white space to as_trimmed_text. (RT #26436)