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Bug 1182 - inconsistent rendering of upper case Greek letters in TeX
 Summary: inconsistent rendering of upper case Greek letters in TeX
 Status: Product: RESOLVED FIXED MediaWiki extensions Unclassified Component: Math (Other open bugs) unspecified All All Normal normal with 1 vote (vote) --- Nobody - You can work on this! 7768 Show dependency tree / graph

 Reported: 2004-12-23 21:22 UTC by mark_sweep 2011-10-14 02:08 UTC (History) 2 users (show) hardy nmichalo --- --- ---

Attachments
One solution to the bug (6.85 KB, patch)
2006-11-03 13:02 UTC, Carl Fürstenberg
Details

 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. Tomasz Wegrzanowski 2005-05-07 00:48:23 UTC Replacing FONT_RTI with FONT_RM would be sufficient. Only FONT_* influence the italicness.  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) JeLuF 2006-11-03 23:18:26 UTC Fixed in r17386. 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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