* Version dependency on liburi-perl to >= 1.36; previous versions
did not support building urls from utf-8 strings. Closes: #579713
* htmlscrubber: Allow html5 semantic tags: section nav article aside hgroup
- header footer time mark
+ header footer figure figcaption time mark
* htmlscrubber: Also allow html5 canvas tags.
* htmlscrubber: Round out html5 video support with the preload
attribute and the source tag.