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Re: [csswg-drafts] [css-fonts] Default angle for font-style:oblique should conform to host platform

From: CSS Meeting Bot via GitHub <sysbot+gh@w3.org>
Date: Wed, 11 Apr 2018 15:07:30 +0000
To: public-css-archive@w3.org
Message-ID: <issue_comment.created-380486534-1523459247-sysbot+gh@w3.org>
The Working Group just discussed `default angle for font-style: oblique`, and agreed to the following resolutions:

* `RESOLVED: Use 14 degrees as the angle for undefined oblique`

<details><summary>The full IRC log of that discussion</summary>
&lt;dael> Topic: default angle for font-style: oblique<br>
&lt;dael> github: https://github.com/w3c/csswg-drafts/issues/2295<br>
&lt;dael> myles: When css content says font-style:oblique in a non variation world a font is oblique or not. In a variations world that need to be maped to an angle. Variation axis can go between 0 and 90 degrees. When you say font-style:oblique and you don't have an angle where should it go.<br>
&lt;dael> myles: When I wrot the spec I printed paper with representitive fonts and I measure the angle and it looked like 20 deg.<br>
&lt;dael> ChrisL: Based on Jonathan's data the mid-point is 14deg and that's what OSX uses I think that's reasonable.<br>
&lt;dael> florian: Issue had more details about it being platform dependent.<br>
&lt;dael> myles: Spec says it's not and impl made it dependent.<br>
&lt;dael> florian: FF made it dependent becasue it is outside the browser.<br>
&lt;dael> myles: So options are 1) 20deg, 2)14deg 3) make impl pick something.<br>
&lt;dael> astearns: The algo has a whole set of if it's below this pick this<br>
&lt;dael> s/astearns/chrisl<br>
&lt;dael> fantasai: I think that algo should change to lower then 14 then. It should be a lower end to what's consdered normal.<br>
&lt;dael> florian: That would go against leaving it up to ua because we can't do one that's always lower.<br>
&lt;dael> ChrisL: Yes.<br>
&lt;fantasai> s/14 then/14/<br>
&lt;dael> myles: There's 2 pieces. This issue is what should we pick with no angle and it should be 14<br>
&lt;dael> astearns: Obj to using 14 as the oblique angle?<br>
&lt;dael> dbaron: 14 or 14.06? I mention it because Gecko was storing the tan of the angle so we stored 0.25 and the arctan is 14.06<br>
&lt;dael> astearns: Objectiosn to 14 degrees?<br>
&lt;dbaron> s/14.06/14.036/<br>
&lt;dbaron> 14.036deg is atan(0.25)<br>
&lt;dael> RESOLVED: Use 14 degrees as the angle for undefined oblique<br>
&lt;dael> myles: fantasai  should open an issue as to where to put the bounderies.<br>
&lt;dael> fantasai: I suggest 10 for now and then we investigate.<br>
&lt;dael> myles: WE should figure out the answer<br>
&lt;dael> myles: Can we pick 14?<br>
&lt;dael> fantasai: We want it less.<br>
&lt;dael> astearns: I uggest as a part of the resolution edits you say there's an issue and then we can edit in the appropriate thing<br>

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Received on Wednesday, 11 April 2018 15:07:34 UTC

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