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This questionnaire was open from 2010-04-20 to 2010-04-22.
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Further to discussion since the face-to-face meeting in the past couple weeks, this change proposal does include that a missing text alternative should be an error in conformance checkers. We expect the error text would reference additional guidance on text alternatives in WCAG support materials.
Do you support this as a decision of the task force? If no, please indicate what changes would enable you to support this.
|Responder||ISSUE-31 missing alt||Comments|
|Joshue O Connor||Yes|
|Debi Orton||Yes||I agree with all the arguments put forth by the task force. The use of the alt attribute is embedded in many of the accessibility education efforts and arguably the most important of accommodations for those with visual impairments.|
|Ian Hickson||No||It violates layering by making it possible for removal of ARIA to affect conformance, discourages use of semantic HTML by removing the allowance for using title="" for titles, and encourages longer markup than necessary by suggesting the use of role="presentation" to imply alt="" when alt="", which is shorter, already implies role="presentation".|
|David Singer||No||My personal comments|
A) The replacement text falls far short of the editorial quality of the text it replaces.
B) Serious issue: Whether or not we say that authoring tools must generate conforming documents, anyone writing a tool would normally wish to and expect to, and may well be instructed to by their management. Being silent on the subject, as the replacement text is, will simply encourage the behavior of putting in 'nonce' values (e.g. alt="" or alt="<file-name>").
c) [Minor] one of the lines (the one about paragraphs) is already gone from the editor's draft at <http://dev.w3.org/html5/spec/Overview.html#guidance-for-conformance-checkers>
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