Last modified: 2011-10-14 02:08:04 UTC

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Bug 1182 - inconsistent rendering of upper case Greek letters in TeX
inconsistent rendering of upper case Greek letters in TeX
Status: RESOLVED FIXED
Product: MediaWiki extensions
Classification: Unclassified
Math (Other open bugs)
unspecified
All All
: Normal normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
http://en.wikipedia.org/wiki/Wikipedi...
:
Depends on: 7768
Blocks:
  Show dependency tree / graph
 
Reported: 2004-12-23 21:22 UTC by mark_sweep
Modified: 2011-10-14 02:08 UTC (History)
2 users (show)

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

Attachments
One solution to the bug (6.85 KB, patch)
2006-11-03 13:02 UTC, Carl Fürstenberg 		Details
Add an attachment (proposed patch, testcase, etc.)

Description mark_sweep 2004-12-23 21:22:25 UTC 
The upper case Greek characters that are undefined in plain TeX (such as \Alpha,
\Beta, \Epsilon, etc.) are rendered in TeX's math italic font.  They should be
rendered in an upright ("roman") font to match the other Greek characters
(\Gamma, \Delta, etc., which are defined in plain TeX).

This affects the function "find" in math/texutil.ml.  I don't understand the
code well enough to tell whether replacing FONT_RTI with FONT_RM would be
sufficient.
Comment 1 Tomasz Wegrzanowski 2005-05-07 00:48:23 UTC 
Replacing FONT_RTI with FONT_RM would be sufficient.
Only FONT_* influence the italicness.
Comment 2 Carl Fürstenberg 2006-11-03 13:02:06 UTC 
Created attachment 2626 [details]
One solution to the bug

It's not enough to set it as FONT_RM, it will still be displayed as italics. So
instead we change it to use FONT_UF and specify the letter as a \mathrm{},
forcing ams even perhaps it's unnecissary (the main mathrm definition force
ams, so to keep is likewise)
Comment 3 JeLuF 2006-11-03 23:18:26 UTC 
Fixed in r17386.
Comment 4 Nicholas Longo 2011-10-14 02:08:04 UTC 
This bug is fixed in texvc, but on the various WMF wikis there incorrect images are cached and cached math images never expire.  (See bug #24445).
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