Implementation information for Guideline 2

2.1 Make all content available through the user interface. [Priority 1]

Implementation Information:
Netscape Navigator 4.75 for Windows, Macintosh and UNIX provides a source 
view and "standard" view

Microsoft Internet Explorer 5.0 for Windows and Macintosh provides a source 
view and "standard" view

Opera 4.0 for Windows provides a source view and "standard" view


2.2 For a presentation that requires user input within a specified time 
interval, allow the user to configure the user agent to pause the 
presentation automatically and await user input before proceeding. 
[Priority 1]

Implementation Information:
none

2.3 Provide easy access to each equivalent and each equivalency target 
through at least one of the following mechanisms:

(1) allowing configuration to render the equivalent instead of the 
equivalency target;

Implementation Information:
Netscape Navigator 4.75 for Windows, Macintosh and UNIX
Microsoft Internet Explorer 5.0 for Windows and Macintosh
Opera 4.0 for Windows

(2) allowing configuration to render the equivalent in addition to the 
equivalency target;

Implementation Information:
none

(3) allowing the user to select the equivalency target and then inspect its 
equivalents;

Implementation Information:
none

(4) providing a direct link to the equivalent in content, just before or 
after the equivalency target in document order. [Priority 1]

Implementation Information:
none

2.4 Allow the user to specify that text transcripts, collated text 
transcripts, captions, and auditory descriptions be rendered at the same 
time as the associated audio and visual tracks. Respect author-specified 
synchronization cues during rendering. [Priority 1]
Techniques for checkpoint 2.4

Implementation Examples:
Microsoft Media Player for Windows
RealPlayer for Windows and Mac


2.5 For non-text content that has no recognized text equivalent, allow 
configuration to generate repair text. If the non-text content is included 
by URI reference, base the repair text on the URI reference and content 
type of the Web resource. Otherwise, base the repair text on the name of 
the element that includes the non-text content. [Priority 2]

Implementation Information:
none

2.6 Allow configuration so that when the author has specified an empty text 
equivalent for non-text content, the user agent generates no repair text or 
generates repair text as required by checkpoint 2.5. [Priority 3]

Implementation Information:
none

2.7 Allow the user to configure the user agent not to render content marked 
up in a recognized but unsupported natural language. Indicate to the user 
in context that author-supplied content has not been rendered. [Priority 3]

Implementation Information:
none


Jon Gunderson, Ph.D., ATP
Coordinator of Assistive Communication and Information Technology
Division of Rehabilitation - Education Services
MC-574
College of Applied Life Studies
University of Illinois at Urbana/Champaign
1207 S. Oak Street, Champaign, IL  61820

Voice: (217) 244-5870
Fax: (217) 333-0248

E-mail: jongund@uiuc.edu

WWW: http://www.staff.uiuc.edu/~jongund
WWW: http://www.w3.org/wai/ua

Received on Wednesday, 1 November 2000 21:18:44 UTC