changes to plain language based on the feedback

Hi Folks

plain language is a pillar of accessibility for people with cognitive disabilities. I think it is going to survey this week. We worked hard trying to make it workable to include this into WCAG.


I am coping  the text of the new SC bellow with notes in bold that explain the changes since  the first draft . ...


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For error messages that require a response to continue, instructions, labels and navigational elements all of the following are true: 
Note we have limited the scope to make it much easier to apply to all sites . All the bellow is only required in this scope! 
  Double negatives Double negatives are not used to express a positive statement.
Note: we have changed this to work for internationalization. Some languages use double negatives to emphasize a negative. with this new wording this is not a problem,  you can use a double negative to emphasis a negative, but it is only a problem  if you use a double negative to express a positive in the above scope. SO far s we know that is confusing internationally... Common words Provide words or phrases from a public core vocabulary; or the most common 1500 words or phrases (including word roots); or word, phrases or abbreviations that are the most-common form to refer to the concept in a public word frequency list for the identified context. Note: core vocabularies are pillars for communicating with people with communication disabilities. they are the basis for AT's (such as AACs)  and teaching people enough language to be able to communicate in as broad a context as possible. To make this suitable for all sites  and  to help people with communication disabilities in professions (such as programmers)  we are also allowing people to make their own core vocabularies for specific contexts or  professions. There are publicly available scripts that allow people to do this easily. the definition of  a  public word frequency clarifies a minimum number of pages necessary based on existing uses of corpus's. Also using the coga-simplelang  attribute will allow people to keep uncommon words and allow AT to replace them   Concrete language Non-literal language is not used, or can be automatically replaced, via an easy-to-set user setting. All meaning must be retained when non-literal text is replaced.       Note this wording has been clarified to address the comments
All the best

Lisa Seeman

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