Font.blacklist.underline offset

From MozillaZine Knowledge Base

The title given to this article is incorrect due to technical limitations. The correct title is font.blacklist.underline_offset.

This article describes the preference font.blacklist.underline_offset. To add, delete, or modify this preference, you will need to edit your configuration — do not edit this article.

1 Background
2 Possible values and their effects
3 First checked in
4 Has an effect in
5 Related bugs
6 Related preferences

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Background

Certain CJK fonts include incorrect data for underline offsets. This causes Mozilla to render underlined text using these fonts poorly. To correct for this, Mozilla calculates a new, corrected underline offset for fonts known to have bad data. This preference contains a list of fonts for which underline offsets should be recalculated.

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Possible values and their effects

A comma-separated list of fonts which need their underline offsets corrected. Default value is FangSong,Gulim,GulimChe,MingLiU,MingLiU-ExtB,MingLiU_HKSCS,MingLiU-HKSCS-ExtB,MS Gothic,MS Mincho,MS PGothic,MS PMincho,MS UI Gothic,PMingLiU,PMingLiU-ExtB,SimHei,SimSun,SimSun-ExtB,Hei,Kai,Apple LiGothic,Apple LiSung,Osaka

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