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Asked: 2016-01-03 07:08:56 +0800 CST

Firefox: Wikipedia MathML equations have too much space above and below

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I recently switched from Windows to Ubuntu and I migrated my Firefox User profile. I have set my Wikipedia profile under Preferences → Appearance to show Math with MathML. Under Windows I didn't experience any problems but under Ubuntu there is too much space above and below equations. See this example page, here's how it looks: screenshot

Any Ideas on how to fix this?
I am also interested in other solutions that display Wikipedia equations as vector graphics.

Using Ubuntu 15.10 and Firefox 43.0.

firefox

1 Answers

  1. Best Answer

    This is a bug in the Latin Modern Math version distributed by Ubuntu. See

    https://bugs.launchpad.net/ubuntu/+source/lmodern/+bug/1502701 https://phabricator.wikimedia.org/T122400

    A workaround mentioned on launchpad* is as follows:

    1. Download the latest version of the Latin Modern Math font from http://www.gust.org.pl/projects/e-foundry/lm-math/download/index_html.
    2. Unpack the zip file. It contains documentation and a file latinmodern-math.otf.
    3. Copy latinmodern-math.otf to ~/.fonts (which you must create if it doesn't exist).
    4. Restart Firefox.

    * see post #3, by Jérôme Kunegis

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