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epriestley 98fe8fae4a Use <td class="n" data-n="3"> instead of <th>3</th> for line numbers
Summary:
Ref T13161. Ref T12822. See PHI870. Long ago, the web was simple. You could leave your doors unlocked, you knew all your neighbors, crime hadn't been invented yet, and `<th>3</th>` was a perfectly fine way to render a line number cell containing the number "3".

But times have changed!

  - In PHI870, this isn't good for screenreaders. We can't do much about this, so switch to `<td>`.
  - In D19349 / T13105 and elsewhere, this `::after { content: attr(data-n); }` approach seems like the least bad general-purpose approach for preventing line numbers from being copied. Although Differential needs even more magic beyond this in the two-up view, this is likely good enough for the one-up view, and is consistent with other views (paste, harbormaster logs, general source display) where this technique is sufficient on its own.

The chance this breaks //something// is pretty much 100%, but we've got a week to figure out what it breaks. I couldn't find any issues immediately.

Test Plan:
  - Created, edited, deleted inlines in 1-up and 2-up views.
  - Replied, keyboard-navigated, keyboard-replied, drag-selected, poked and prodded everything.

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13161, T12822

Differential Revision: https://secure.phabricator.com/D20188
2019-02-19 15:07:02 -08:00
..
aphront Add a standalone view for the Maniphest task graph 2019-02-15 14:43:38 -08:00
application Use <td class="n" data-n="3"> instead of <th>3</th> for line numbers 2019-02-19 15:07:02 -08:00
core Allow the haunted comment panel ("Z") to take up more vertical room 2018-06-07 13:19:35 -07:00
diviner Lots of little fixes for Dark Mode (Experimental) 2017-07-19 14:41:23 -07:00
font Remove "Aleo" as specialized font for headers 2017-03-22 09:57:00 -07:00
layout Fix odd line number line wrapping on embedded pastes ({Pxxx}) 2018-04-20 14:20:20 -07:00
phui Show user availability dots (red = away, orange = busy) in typeaheads, tokenizer tokens, and autocompletes 2019-02-19 10:57:20 -08:00
syntax Generate syntax highlighting CSS from a reusable map 2016-05-05 02:50:48 -07:00
sprite-login.css Uh, update Phabricator login image 2017-08-11 13:37:26 -07:00
sprite-tokens.css More tokens 2016-07-03 18:32:40 -07:00