epriestley bfe7cdc5a2 Provide default image alt text in more contexts and support custom alt text ... Summary: Ref T13629. - Allow files to have custom alt text. - If a file doesn't have alt text, try to generate a plausible default alt text with the information we have. Test Plan: - Viewed image files in DocumentEngine diffs, files, `{Fxxx}` embeds, and lightboxes. - Saw default alt text in all cases, or custom alt text if provided. - Set, modified, and removed file alt text. Viewed timeline and feed. - Pulled alt text with "conduit.search". Maniphest Tasks: T13629 Differential Revision: https://secure.phabricator.com/D21596		2021-03-04 16:51:23 -08:00
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builtin	Dynamically composite favicons from customizable sources	2018-03-12 15:28:41 -07:00
celerity	Provide default image alt text in more contexts and support custom alt text	2021-03-04 16:51:23 -08:00
cows	Use PHP implementation of Cowsay for cowsay rule	2015-09-13 12:27:30 -07:00
emoji	Add aliases for "party" emoji (🎉)	2018-02-05 12:23:26 -08:00
figlet/custom	Include "Figlet" and PEAR "Text_Figlet" in externals	2015-09-13 12:30:48 -07:00
font	Made Meme Generator	2013-01-19 18:43:43 -08:00
sprite	Uh, update Phabricator login image	2017-08-11 13:37:26 -07:00
sql	Improve performance of "phabricator:20210215.changeset.02.phid-populate.php"	2021-02-19 07:53:14 -08:00
sshd	Drop interactive login from sshd example	2017-06-27 12:51:46 -07:00
timezones	Merge a small amount of remaining "libphutil/" code with Phabricator, break libphutil dependency	2020-02-12 15:17:36 -08:00