This affects a number of our existing reftests, so we'll need to update those
to not expect auto-hyphenation of a sentence-initial (capitalized) word.
(Hyphenation behavior is not sufficiently well-specified for this to be tested
at the WPT level, so we just use Gecko-specific reftests.)
Differential Revision: https://phabricator.services.mozilla.com/D30912
--HG--
extra : moz-landing-system : lando