- From: Gérard Talbot <www-style@gtalbot.org>
- Date: Wed, 18 Mar 2015 17:26:34 -0400
- To: ChangSeok Oh <changseok@gnome.org>
- Cc: W3C www-style mailing list <www-style@w3.org>
Le 2015-03-18 04:22, ChangSeok Oh a écrit : > Hi Everyone. > I have a simple question on font-size-adjust. [1] > According to the spec. font-size-adjust can have ‘none’ or <number> > for its value. > BTW what is expected to look like where font-size-adjust is ‘0’? I > checked Gecko(which is the only vendor supporting for the property > now) treated it as ‘none’. > Does it make sense? As my reading, font-size-adjust represents an > aspect value (x-height / font-size) of a font. > So ‘0’ might mean x-height is 0 or equivalent very small value here. > Thus It should be same effect with 'font-size = 0px’ ChangSeok Oh, Yes, it should be same effect with 'font-size = 0px’. I agree with your reasoning. The spec editor, John Daggett, should probably be notified of this. 0 would have to mean a 0px font-size. Negative values are illegal and ignored. Percentage values are ignored. 'auto' value must be ignored. We could create 4 additional tests in http://test.csswg.org/suites/css3-fonts/nightly-unstable/html/chapter-3.htm#s3.6 testing those 4 case scenarios. > I’d like to clarify this before landing a relevant patch for blink [2] > > Best regards. > > [1] http://dev.w3.org/csswg/css-fonts/#propdef-font-size-adjust > <http://dev.w3.org/csswg/css-fonts/#propdef-font-size-adjust> > [2] https://codereview.chromium.org/983073002/#msg23 > <https://codereview.chromium.org/983073002/#msg23> > ChangSeok ChangSeok, I have added a comment in http://www.gtalbot.org/BrowserBugsSection/CSS3Fonts/font-size-adjust-001.html so that you can use my test, so that you can include it in your patch. Gérard
Received on Wednesday, 18 March 2015 21:27:07 UTC