[Webkit-unassigned] [Bug 69609] 'optimiseLegibility' text rendering issue OSX

Sat Oct 8 18:48:06 PDT 2011

https://bugs.webkit.org/show_bug.cgi?id=69609

Philippe Wittenbergh <phiw at l-c-n.com> changed:

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--- Comment #9 from Philippe Wittenbergh <phiw at l-c-n.com>  2011-10-08 18:48:06 PST ---
Note that Gecko on OS X has 'optimizeLegibility' turned ON by default (and you can't turn it off). On the other hand, Opera doesn't support that property, so far.

See https://developer.mozilla.org/en/CSS/text-rendering for a description of the property. Is there a similar Apple doc ? I may have missed it…

That being said, 
* I see a slight difference - improved (!) rendering – on the latest Webkit compared to Safari 5.1
* I see virtually no difference between the latest WebKit and Fx 7 and Gecko nightly builds. The spacing between words is slightly looser on Gecko – it looks like Webkit tightens the white-space slightly whereas Gecko does not.

* the Coda font has a weird behaviour in WebKit - the spacing is looser with 'optimizeLegibility' than without. I would expect the opposite. The text run without optimisation on WebKit looks the same as Gecko (which has optimisation ON by default)

Tested on 10.6.8 - took some screenshots and overlayed them in Photoshop.

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