[Webkit-unassigned] [Bug 5566] ALT attribute value sometimes not displayed when image is missing

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=5566





--- Comment #58 from Gérard Talbot <browserbugs at gtalbot.org>  2011-12-18 11:50:09 PST ---
(In reply to comment #57)
> Yes, however, @title has long been used as a repair text substitute for @alt (see UAAG etc).

IE6 and IE7 used title attribute as a text substitute for missing alt but that was an extension of the spec. This stopped with IE8.

I have already provided links (references, tests) to WAI, UAAG in comment 10, comment 12 and comment 24.

Title attribute should do one thing and alt attribute should do another thing. 
The main problem with browsers (IE9+, Opera 11.60, Chrome 16.0.912.63, Safari 5.1.2, Konqueror 4.7.4) right now is that alt text is rendered *_within_* author-specified image placeholder dimensions (causing alt text to be cut off, truncated) while the spec says that the user agent should allow the user to choose how the alt text is rendered: either *_within_* or by ignoring author-specified image placeholder dimensions.

Firefox ignores author-specified image placeholder dimensions by default and renders alt text inline. That is best (for accessibility). That is what Ian Hickson recommends.

regards, Gérard Talbot

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