From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.0) Gecko/20020529 BuildID: 2002052918 When accessing any web page containing MathML, and running under RedHat 7.3, Mozilla hangs for a long time (>30 sec). Just as I'm about to kill it, it displays the web page, but all of the mathematics characters (including the ones normally displayed in a roman font) are turned into Greek letters Reproducible: Always Steps to Reproduce: 1.Just access the MathML Start Page, running under RedHat 7.3. 2. 3. Actual Results: I could show you a screenshot...
> I could show you a screenshot... Please do. Do you get a message about missing MathML fonts? If not, did you install the *Type1* TeX fonts (not TrueType)?
Confirming. I have installed all fonts recommended by the mozilla.org mathml page. I get a dialog box the first time I open http://www.mozilla.org/projects/mathml/start.xml saying "this page will not display correctly if you don't have these fonts: ..." and the math displays in greek letters. xlsfonts doesn't seem to list any of the fonts that I've installed, which is odd. I have restarted the machine after font installation. (I don't get the 30 second hang though) Screenshot coming up...
> xlsfonts doesn't seem to list any of the fonts that I've installed, which is > odd. So it is a font installation problem, as evidenced by the weird look of the radical symbol (bug 27860). Also, if you are are using a TrueType Symbol, you will be running into troubles: http://groups.google.com/groups?dq=&hl=en&lr=&ie=UTF-8&th=1453307737e2abc6 ...And it has been reported that RH7.3 ships with a TrueType Symbol font by default, and this may explain why you are running into troubles anyway. ================ I suggest you file a separate bug against the GFX Compositor component, and provide a *non-MathML* document with a testcase containing: <font face="Symbol"> a b c </font> According to bug 33127, this should render as "a b c", but from your description, this is rendering as α β γ on RH7.3 because it has a TrueType Symbol font by default. It is important that you report such a bug with a HTML testcase (i.e., no MathML at all to illustrate that the problem is non-MathML specific). This way, it will get the proper attention of other module owners. Thanks.
Same behaviour on Mac OS 9.0.4 with Mozilla 1.1 Mozilla/5.0 (Macintosh; U; PPC; de-AT; rv:1.1) Gecko/20020826: roman characters inside <math> are displayed as greek characters. Time until the page is displayed is normal. Although, in one special condition the characters are displayed properly: if the math is inside a <div style="text-align: justify"> </div> and _not_ in display mode the roman characters are displayed properly. I've added a testfile and a screenshot. Yes, the characters of the symbol font are displayed as Greek. Yes, there is a message that CMEX10 fonts etc. are missing as there are no free TeX fonts available for the mac. But stretchy characters are displayed properly using Mathematica fonts.
As a work-around _delete_ the math's font-family declaration in mathml.css. See: http://groups.google.com/groups?selm=3D6EB021.8FC1A9FE%40maths.uq.edu.au
Perhaps you will find that swapping over Symbol and Times in the mathml.css will work. I dont know why this would work. But it does for me.
I'm seeing this in a very recent build: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b4) Gecko/20050917 Firefox/1.4 All chars are greek, MathML is unusable here... =( This is Debian system with the latex-xft-fonts package installed. This package contains: /usr/share/fonts/truetype/latex-xft-fonts/cmsy10.ttf /usr/share/fonts/truetype/latex-xft-fonts/wasy10.ttf /usr/share/fonts/truetype/latex-xft-fonts/cmex10.ttf /usr/share/fonts/truetype/latex-xft-fonts/msam10.ttf /usr/share/fonts/truetype/latex-xft-fonts/msbm10.ttf /usr/share/fonts/truetype/latex-xft-fonts/cmmi10.ttf /usr/share/fonts/truetype/latex-xft-fonts/cmr10.ttf This package is currently suggested by the Debian mozilla packaging to get the MathML fonts: $ dpkg -s mozilla-firefox | grep latex Suggests: mozilla-firefox-gnome-support (= 1.4.99+1.5beta1-2), latex-xft-fonts, xprint The problem is gone if I edit res/math.css to remove the "Symbol" font. Is there anything I can do to help debug this?
I had a truetype symbol font and I hadn't commented out the proper lines in res/fonts/fontEncoding.properties. Now it's working. (Having MathML working in linux is pretty complex!)
nick, be sure to write something about it so that others who google can learn from your own experience.
Those who still see Greek letters in Firefox are likely using a distro with a TrueType Symbol font (rather than Type1). If so, be sure to edit your $MOZILLA_HOME/res/fonts/fontsEncoding.properties and UNCOMMENT these lines: #encoding.symbol.ttf = Adobe-Symbol-Encoding #encoding.symbol.ftcmap = mac_roman to encoding.symbol.ttf = Adobe-Symbol-Encoding encoding.symbol.ftcmap = mac_roman See also bug 128153 comment 81.
Is this bug still present?