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Add a test verifying that width of tab and space characters are equal #11

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roozbehp opened this issue Apr 23, 2015 · 5 comments
Open

Add a test verifying that width of tab and space characters are equal #11

roozbehp opened this issue Apr 23, 2015 · 5 comments
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Android Priority-High

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@roozbehp
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According to the Microsoft spec at https://www.microsoft.com/typography/otspec/recom.htm, the TAB (U+0009) character should have an advance width equal to that of space.

This is true in the latest fonts, but we need to have a unit test making sure it doesn't regress.
@behdad
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behdad commented Apr 23, 2015

Is this checked for in Noto?

@roozbehp
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No idea if this is checked in Noto.

@roozbehp
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roozbehp commented May 1, 2015

/cc @dougfelt for the Noto question.

@davelab6
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davelab6 commented May 2, 2015

Its also important for fonts to have the space and nbspace glyphs having an equal advanceWidth; many do not

@behdad
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behdad commented May 2, 2015

I'd go as far as saying that fonts should map space and no-break space to the same glyph, period.

@roozbehp roozbehp added Android and removed Android labels Oct 14, 2015
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@behdad @davelab6 @roozbehp