Description of problem: Under a non-Greek locale, Thunderbird seems to be choosing different Greek characters from different fonts to display Greek text. As a result, there are letters which are obviously not the same size as others. The result is almost unreadable on the screen. Printing the text is worse, those letters that look bad aren't even printed. I don't see that with Firefox by the way. Version-Release number of selected component (if applicable): thunderbird-2.0.0.5-2.fc7 How reproducible: Always. Steps to Reproduce: 1. export LANG=fr_FR.UTF_8 2. launch Thunderbird from the command line to take the above locale into account 3. start a new message 4. copy/paste Greek characters: αβγδεζηθικλμνξοπÏστυφχψω Actual results: See attached screen shot thunderbird-fr_FR.UTF-8 under the fr_FR.UTF-8 locale. Expected results: See attached screen shot thunderbird-el_GR.UTF-8 under the el_GR.UTF-8 locale.
Created attachment 211251 [details] screen shot of the Greek alphabet in Thunderbird under fr_FR.UTF-8 locale
Created attachment 211261 [details] screen shot of the Greek alphabet in Thunderbird under el_GR.UTF-8 locale
Any idea Behdad?
At this point, we're going to only be taking security fixes and major stability fixes into this release of Fedora. However, we still want to ensure the bug is fixed in the next version. We'd appreciate if you could test with the latest version of Thunderbird (2.0.0.12) now available for your distribution and provide feedback as to whether the problem still exists so we can file a ticket upstream as soon as possible.
Problem still present in Thunderbird 2.0.0.12. $ rpm -q thunderbird thunderbird-2.0.0.12-1.fc8 $
Created attachment 297330 [details] screen shot of the Greek alphabet in Thunderbird 2.0.0.12 under fr_FR.UTF-8 locale
Created attachment 297331 [details] screen shot of the Greek alphabet in Thunderbird 2.0.0.12 under el_GR.UTF-8 locale
For what it's worth, I recall seeing similar problems in OpenOffice. I think the problem is that the font substitution algorithm chooses different fonts for different Greek characters. For example symbols 'pi' or 'mu' are present in many fonts (mathematic symbol 'pi' and 'mu' for micro) and can be used to render Greek characters while other Greek characters are missing and some other font must be used. I can't find the exact thread of discussion or bug report, teh closest I could find is: https://bugs.launchpad.net/bugs/9093
The default font chosen by Thunderbird is 'Courier'. Switching to 'monospace' through Edit|Preferences|Display|Formatting|Fonts...|Monospace seems to be fixing the problem. See attached screenshots.
Created attachment 297335 [details] broken Greek rendering with default 'Courier' font
Created attachment 297336 [details] correct Greek rendering after switching to 'monospace' font
Created attachment 297338 [details] correct Greek rendering after switching to 'monospace' font
Created attachment 297415 [details] Situation on the current F8 This seems to be fixed in Rawhide, but still present in F8
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