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[CSS2.1 - Grammar] The clip property with rect function, allows combination of spaces and commas?

From: Justin Rogers <justrog@microsoft.com>
Date: Wed, 9 Jan 2008 16:43:03 -0800
To: "www-style@w3.org" <www-style@w3.org>
Message-ID: <00BD06E707F60B4F9D6A3E75C712209D49A871A8D4@NA-EXMSG-C104.redmond.corp.microsoft.com>
CSS 2.1 standards supported grammar
    clip: rect(96px, 96px, 96px, 96px);

CSS 2.1 backwards compatible supported grammar
    clip: rect(96px 96px 96px 96px);

CSS 2.1 fuzz test variation with lack of cross browser parity
    clip: rect(96px  ,96px 96px,  96px);

The tests and verification I wanted to perform were (FireFox 3 B2 was used when finding the discrepancy):

1.       Does arbitrary whitespace matter between tokens or is it well ignored. (All: yes)

2.       Since I support commas and I support spaces can I support a mixture? (FireFox: yes, Safari and Opera: no)

3.       Out of range parsing (less/more than 4 dimensions). (All: yes)

So the clarification needs to be on the item 2 where we mix and match commas and spaces as delimiters. Should the standards behavior be that of FireFox or Safari/Opera?

Justin [MSFT]
Received on Thursday, 10 January 2008 00:43:17 UTC

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