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Re: combining techniques

From: Al Gilman <asgilman@access.digex.net>
Date: Mon, 26 Oct 1998 00:31:27 -0500 (EST)
Message-Id: <199810260531.AAA28565@access5.digex.net>
To: chisholm@trace.wisc.edu (Wendy A Chisholm)
Cc: w3c-wai-gl@w3.org
Seems more logical the new way.

Al

to follow up on what Wendy A Chisholm said:
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> From: Wendy A Chisholm <chisholm@trace.wisc.edu>
> Subject: combining techniques
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> Hi,
> 
> In the current public draft of the guidelines (19980918) in the section on
> alternative text (A.1), there is a technique devoted to OBJECT.  In the
> proposed rewording that follows, the information about OBJECT has been
> incorporated into the discussions on how to provide text for images and
> applets
> (techniques 1 and 2).    This was done to make the techniques more
> long-lasting.  Note also that the HTML specific stuff is an EXAMPLE of how to
> satisfy the technique rather than part of the technique wording.
> 
> thoughts?
> --the editors
> 
> A.1. Provide alternative text for all images, applets, and image maps.
> [Priority 1]
> This includes images used as submit buttons, bullets in lists, and all of the
> links within an image map as well as invisible images used to layout a page.
> Alternative text does not describe the visual appearance of an image,
> applet, or
> image map. Rather, it is used to represent the function that the image,
> applet,
> or image map performs whether it be decorative, informative, or for
> purposes of
> layout. If alternative text is not provided, users who are blind, have low
> vision, or any user who cannot or has chosen not to view graphics will not
> know
> the purpose of the visual components on the page. Since "bare" ASCII art
> (characters that form images) does not allow alt-text, it must be marked up
> specially for this purpose. 
> 
> Techniques:
> Provide alternative text for all images (e.g., via the "alt" attribute of IMG,
> or via "title" or within the content of OBJECT). [Priority 1] Note. This
> includes images used as image maps, spacers, bullets in lists, and links. 
> 
> Provide alternative text for all applets and other programatic
> objects(e.g., via
> the "alt" attribute or within the content of APPLET, or via the "title"
> attribute or within the content of OBJECT). [Priority 1] (see also A.10) 
> 
> For all image map links  
>  * Provide alternative text (e.g., via the "alt" attribute of AREA). [Priority
> 1] 
>  * Provide redundant textual links. [Priority 2 if client-side image maps are
> used, Priority 1 for  server-side] 
> Provide alternative text for graphical buttons (e.g., via the "alt" attribute
> for INPUT type="image") [Priority 1] 
> 
> Do not use an image map to create a set of buttons in a form. Instead, use
> separate buttons or images (accompanied by alternative text). [Priority 2]
> 
> Replace ASCII art with an image and alternative text. [Priority 1 or 2
> depending
> on the importance of the information (e.g., an important chart)] Note. If the
> description of (important) ASCII art is long, provide a description in
> addition
> to alternative text (see A.2).  
> 
Received on Monday, 26 October 1998 00:31:29 GMT

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