Last modified: 2012-07-26 18:58:19 UTC

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Bug 2238 - prime not clearly visible in f' rendered as HTML
prime not clearly visible in f' rendered as HTML
Status: RESOLVED WORKSFORME
Product: MediaWiki extensions
Classification: Unclassified
Math (Other open bugs)
unspecified
All All
: Low normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2005-05-23 23:49 UTC by Gunther Vogel
Modified: 2012-07-26 18:58 UTC (History)
1 user (show)

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


Attachments
screenshot (from Konqueror) showing several possibilities to typeset "f-prime" (5.78 KB, image/png)
2005-05-24 01:26 UTC, Gunther Vogel
Details

Description Gunther Vogel 2005-05-23 23:49:56 UTC
When f' in a Wiki-TeX formula is rendered as HTML, it is virtually 
indistiguishable from a simple f. Possible solution: render all formulas 
using primes as PNG. 
 
Example: <math>f^{(1)}=f',f^{(0)}=f</math>
Comment 1 Ævar Arnfjörð Bjarmason 2005-05-23 23:54:55 UTC
That will depend upon how your browser processes something like <i>f</i>', alot
of things are potentially ambiguous in HTML mode such as i and l.

Marking this is INVALID.
Comment 2 Gunther Vogel 2005-05-24 00:51:38 UTC
Of course, this bug depends on browser specifics. (I can confirm the bug for Mozilla 
and Konqueror.) 
 
But if some HTML construction does not work reliably, it should not be used. 
 
There have been several complaints concerning this problem on de:, most recently on 
[[:de:WP:RVW#Differentialrechnung]]. Currently, ugly workarounds like f\,' and f'\, are 
used in [[:de:Differentialrechnung]]. 
 
Comment 3 Brion Vibber 2005-05-24 00:56:27 UTC
Can you provide screen shots of expected and actual rendering?
Comment 4 Gunther Vogel 2005-05-24 01:26:18 UTC
Created attachment 567 [details]
screenshot (from Konqueror) showing several possibilities to typeset "f-prime"

lines:
1. f without prime, for comparison (the complicated formula is used to avoid
the rendering as an upright plain-text f)
2. TeX rendered as HTML, virtually indistinguishable from 1.
3. TeX forcibly rendered as PNG
4. not quite
5. this looks fine
Mozilla output does not differ much from this image.
Comment 5 matanya 2012-07-26 18:58:19 UTC
Solved by Mathjax.

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