Level 1 Success Criteria for Guideline 1.3 seems well supported by HTML techniques document. Beyond that I did not find clear techniques to the level two success criteria a Information presented using color is also available without color and without having to interpret markup .
I found gateway techniques had less details on what tasks needed to be completed, then the success criteria had itself
CSS techniques document did not directly address this guideline, although , of course, there was a lot of implied and defacto useful help for this checkpoint.
Hierarchical elements and relationships, such as:
paragraphs
lists
headings
associations between table cells and their headers
Non-hierarchical relationships between elements such as:
cross-references and other associations,
associations between labels and controls,
Emphasis or other formatting of specific words, phrases, and quotes.
Level 2 Success Criteria for Guideline 1.3 - Information presented using color is also available without color and without having to interpret markup (for example through context or text coding). @@issue 317 [V]
Gateway seemed to think that there was two subsections
1.3.1 - Ensure that information, functionality, and structure are separable from presentation. The document explain=ned the advantages with some HTML examples but without the full details of what needs to be done were. The task was set to: Ensure both [information/substance] and structure are separable from presentation.
1.3.2 was the Presentation of structure
This document had a lot on how to use structural mark up. This list is not exhaustive:
There was also the following technique on color: To further ensure that users understand differences between list items indicated visually, content developers should provide a text label before or after the list item phrase:
This document had a lot of implied relivense - but I did not see the explicit reference to this checkpoint that I anticipated. For example it was not brought as a user benefit.
Providing good structural markup for graceful degradation had examples that shows a meaningful presentation when style sheets are not applied. I did not find that too relevant.