* Update vnu.jar
* Fix py2 -> py3 issue
* Run pyupgrade
* test: Add default-jdk to images
* test: Add option to also validate HTML with vnu.jar
Since it's already installed in bin. Don't do this by default, since it
increases the time needed for tests by ~50%.
* fix: Stop the urlizer from urlizing in linkified mailto: text
* More HTML fixes
* More HTML validation fixes
* And more HTML fixes
* Fix floating badge
* Ignore unicode errors
* Only URLize docs that are existing
* Final fixes
* Don't URLize everything during test-crawl
* Feed HTML into vnu using python rather than Java to speed things up
* Allow test-crawl to start vnu on a different port
* Increase retry count to vnu. Restore batch size to 30.
* More HTML validation fixes
* Use urllib3 to make requests to vnu, since overriding requests_mock is tricky
* Undo commit of unmodified file
* Also urlize ftp links
* Fix matching of file name
* More HTML fixes
* Add `is_valid_url` filter
* weekday -> data-weekday
* urlencode URLs
* Add and use vnu_fmt_message. Bump vnu max buffer.
* Simplify doc_exists
* Don't add tab link to mail archive if the URL is invalid
* Run urlize_ietf_docs before linkify
Reduces the possibility of generating incorrect HTML
* Undo superfluous change
* Runner fixes
* Consolidate vnu message filtering into vnu_filter_message
* Correctly handle multiple persons with same name
* Minimze diff
* Fix HTML nits
* Print source snippet in vnu_fmt_message
* Only escape if there is something to escape
* Fix snippet
* Skip crufty old IPR declarations
* Only include modal when needed. Add handles.
* Fix wordwrap+linkification
* Update ietf/doc/templatetags/ietf_filters.py
* Update ietf/doc/templatetags/tests_ietf_filters.py
* Don't right-align second column
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