values. This includes comments, templates and template arguments.
This also replaces the specialized expansion logic in the TemplateHandler. The
removal of link validation lets one more parser test fail for now. External
link target validation will need to be implemented in the token stream handler
for links. This is noted as TODO in
https://www.mediawiki.org/wiki/Future/Parser_development#Token_stream_transforms.
other tokens. This is only the first half of the conversion. The next step is
to drop the type attribute on most tokens and match on the constructor in the
token transform machinery.
characters from host portions of links hrefs for now. This module needs to be
filled up with pretty much everything Sanitizer.php does, including tag and
attribute whitelists and attribute value sanitation (especially for style
attributes).
We'll also need to think about round-tripping of sanitized tokens.
