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[whatwg] Browser inconsistencies in rendering <optgroup> and <option>

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Wed, 20 Oct 2010 14:07:39 -0400
Message-ID: <4CBF2FEB.5010903@mit.edu>
Consider the following testcase (XHTML, but an equivalent DOM can be 
constructed in HTML, of course).

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

I observe the following behaviors:

1)  Gecko makes optgroup and option blocks (and applies some
     bold/italic/font-size styles to the optgroup, at least).
2)  Presto renders the text in the <optgroup> (which it treats as an
     inline) but doesn't render the <option> at all.
3)  Webkit renders neither the <optgroup> nor the <option>
4)  Trident (IE8/9) renders like Gecko as far as styling the optgroup,
     except it makes the optgroup and option inlines, not blocks.

I have a hard time believing any of this matters for interop, but....

Received on Wednesday, 20 October 2010 11:07:39 UTC

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