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DM/DOM sync can break if you use an IME
Open, HighPublic8 Estimated Story Points

Description

Still happens, but less often, since c04d8c0b9d0bec52cd95bfa0b533b6b97e8ca23a .

Steps to reproduce:

  1. On Chromium, edit <h1>1 <span dir="rtl">2 3</span> 4</h1> (and see that it renders like "1 (3 2) 4" with the "3 2" shaded)
  2. Place the cursor to the right of the "3 2".
  3. Hold down shift and press Left three times (and see the logical bidi selection cover the '2 3' from the *left*)
  4. Start an IME composition and then remove the candidate (e.g. on most Linux keyboard layouts, press Ctrl+Shift+u then Backspace)
  5. Note the shaded text has completely disappeared
  6. Type '2 3'.

Expected behaviour: The '2 3' appears as unannotated text (or alternatively, as shaded RTL), and agrees with the model.

Actual behaviour: The '2 3' appears shaded but in LTR, in fact in a <span style="background-color: rgb(235, 243, 245);">2 3</span>. The model has unannotated text.

This is really due to https://bugs.chromium.org/p/chromium/issues/detail?id=546461 ("No way to stop contenteditable inserting quirky style tags").

Event Timeline

dchan created this task.Oct 22 2015, 12:15 PM
dchan claimed this task.
dchan raised the priority of this task from to Needs Triage.
dchan updated the task description. (Show Details)
dchan added a subscriber: Esanders.
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptOct 22 2015, 12:15 PM
Restricted Application added a subscriber: StudiesWorld. · View Herald TranscriptNov 10 2015, 8:29 PM
Jdforrester-WMF triaged this task as Medium priority.Nov 10 2015, 8:29 PM
Jdforrester-WMF added a project: Epic.
Jdforrester-WMF set Security to None.
Jdforrester-WMF edited a custom field.
Jdforrester-WMF raised the priority of this task from Medium to High.Nov 19 2015, 7:36 PM

Change 247800 had a related patch set uploaded (by Divec):
Diff richtext to build model changes

https://gerrit.wikimedia.org/r/247800

Change 247800 merged by jenkins-bot:
Diff richtext to build model changes

https://gerrit.wikimedia.org/r/247800

dchan reopened this task as Open.Aug 20 2018, 1:45 PM

It's still possible to trigger this bug, though Change 247800 made things much better. Will update the description.

dchan updated the task description. (Show Details)Aug 20 2018, 2:05 PM
Aklapper removed dchan as the assignee of this task.Jun 19 2020, 4:18 PM
Aklapper added a subscriber: dchan.

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