On 15/05/2008, Daniel Glazman <daniel.glazman@disruptive-innovations.com> wrote: > Philip TAYLOR (Ret'd) wrote: > > > > which seems to me to hit the nail on the head. ALT is mandatory, > > but if a user refuses to provide ALT text, then the editing tool > > is correct to emit INVALID HTML (and, presumably, to warn the user > > that this regrettable behaviour has been necessary). > > > > So conformance criteria for a tool include the possibility of non- > conformance for output instances. I think the test suite for > an authoring tool is going to be a bit of a syllogism. > > tool A is conformant because it outputs conformant instances > but since it should also be able to output non-conformant instances, > conformance is nill. So it's conformant and non-conformant at the same > time. > > And I hope nobody has certification in mind ! A tool is as good as its input - garbage in, garbage out. A compliant authoring tool can be used to generate non-compliant content. You might use a compliant authoring tool to create a table-based layout, which doesn't conform to the spec - that's not the authoring tool's fault. In the same way, if an author deliberately chooses not to provide alternative text, the output from the tool should be considered invalid. Gez -- _____________________________ Supplement your vitamins http://juicystudio.comReceived on Thursday, 15 May 2008 14:39:10 UTC
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