Last modified: 2014-11-18 01:22:58 UTC

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Bug 73419 - Math formulas not visible when MathML is enabled.
Math formulas not visible when MathML is enabled.
Status: RESOLVED FIXED
Product: Wikipedia App
Classification: Unclassified
Android App (Other open bugs)
Stable
All All
: Unprioritized normal
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2014-11-14 15:45 UTC by Dmitry Brant
Modified: 2014-11-18 01:22 UTC (History)
5 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description Dmitry Brant 2014-11-14 15:45:07 UTC 
When a user is logged in, and the user's preferences include displaying math formulas in MathML (settable in desktop website), the formulas are not shown at all in the app.

Upon examining the received HTML, the problem seems to be the following:

- The actual MathML is wrapped in a span that has a style of "display: none".

- Next to the MathML, there is a "meta" tag that contains the url for a PNG fallback image for the formula, but since it's a "meta" tag, it's not rendered by the WebView.
Comment 1 Gerrit Notification Bot 2014-11-14 16:08:57 UTC 
Change 173285 had a related patch set uploaded by Dbrant:
Display fallback math images when MathML is enabled.

https://gerrit.wikimedia.org/r/173285
Comment 2 Gerrit Notification Bot 2014-11-14 18:01:20 UTC 
Change 173285 abandoned by Dbrant:
Display fallback math images when MathML is enabled.

Reason:
Superseded by https://gerrit.wikimedia.org/r/173317

https://gerrit.wikimedia.org/r/173285
Comment 3 Dmitry Brant 2014-11-14 18:02:20 UTC 
Simpler patch that fixes it:

https://gerrit.wikimedia.org/r/173317
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