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Date: Fri, 19 Jan 2007 09:09:53 -0800
From: "Jean T. Anderson" <jta@bristowhill.com>
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Subject: Re: Graphic Alt text (for accessibility) does not appear in Firefox
 (does appear in IE) - Derby-1842
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Kim Haase wrote:
> According to our style guide, yes, screen readers do read the alt text.
> The style guide also says that alt text must be 150 characters or fewer
> in length. For a description longer than 150 characters, use the
> longdesc attribute of the img tag (in HTML; seems to be longdescref in
> DITA); this is also read by screen readers.

It sounds like testing accessibility with normal browsers might not be a
sure approach. Does anyone know of any open source screen readers?

 -jean


> Kim
> 
> Laura Stewart wrote:
> 
>> On 1/17/07, Bernt M. Johnsen <Bernt.Johnsen@sun.com> wrote:
>>
>>> The HTML standard does not require a browser to show the alt text
>>> unless the image cannot be rendered:
>>>
>>>       User agents must render alternate text when they cannot support
>>>       images, they cannot support a certain image type or when they
>>>       are configured not to display images. (HTML 4.01)
>>>
>>> Firefox is a graphical browser and as such does not ahev to display
>>> it, while w3m and lynx are text only browsers and "must" render the
>>> text.
>>>
>>
>> Are you saying that if I had a screen reader (for people unable to see
>> the screen, which is why the alt text is added to the image in the
>> first place) that the text would be read by the screen reader, even
>> though it doesn't appear when I mouse over the text?
>>
>>