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<!DOCTYPE bugzilla SYSTEM "https://www.w3.org/Bugs/Public/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4"
          urlbase="https://www.w3.org/Bugs/Public/"
          
          maintainer="sysbot+bugzilla@w3.org"
>

    <bug>
          <bug_id>29215</bug_id>
          
          <creation_ts>2015-10-20 17:46:39 +0000</creation_ts>
          <short_desc>Mapping Rules #5 and 6  in Section 5.5.1  : User agents need to make assumptions?</short_desc>
          <delta_ts>2018-05-03 21:07:45 +0000</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>ARIA</product>
          <component>Core AAM</component>
          <version>1.1</version>
          <rep_platform>PC</rep_platform>
          <op_sys>Windows NT</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>MOVED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Sailesh Panchang">sailesh.panchang</reporter>
          <assigned_to name="Joseph Scheuhammer">clown</assigned_to>
          <cc>w3cbugzilla</cc>
          
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>123812</commentid>
    <comment_count>0</comment_count>
    <who name="Sailesh Panchang">sailesh.panchang</who>
    <bug_when>2015-10-20 17:46:39 +0000</bug_when>
    <thetext>With regard to &quot;5. For forward compatibility with new WAI-ARIA properties in future versions, user agents should expose all properties not in the table below as a text string, removing the &quot;aria-&quot; prefix from the name, if the API supports it. For example, aria-foo=&quot;bar&quot; would be exposed with a text string foo=bar in UIA Express, since aria-foo is not a currently known WAI-ARIA property&quot;. 

Comment: Why should user agents make such an assumption and present the aria-foo attribute without &apos;aria-&apos; ...itmay lead to validation errors and is something best brought to the author&apos;s attention for correction. The foo=&quot;bar&quot; should not trip up future AT unless they are made to ignore attributes that do not appear to make sense. User agents should simply ignore aria-foo and such.
Developers do have access to Nu Html Checker which flags incorrect use of role and ARIA attributes too I believe.  

With regard to &quot;6. Some WAI-ARIA properties are not global, and are only supported on certain roles. If a non-global WAI-ARIA state or property is used where it is not supported, user agents should not map the given WAI-ARIA property to the platform accessibility API. For example, if aria-checked=&quot;true&quot; is specified on &lt;div role=&quot;grid&quot;&gt;, it should not be exposed in MSAA implementations as STATE_SYSTEM_CHECKED. User agents may expose non-relevant attributes as a text string if the API supports it as described above&quot;.

Comment:
What is the benefit of user agents exposing a given ARIA property  as a text string when it cannot be mapped to the platform API?
It may trip up AT and confuse users. 

Perhaps the above mapping rule# 5 and 6 are inconsistent with the goal stated in the abstract?:
&quot;This helps users with disabilities to obtain and interact with information using assistive technologies. ... and helps to ensure that this information appears in a manner consistent with author intent&quot;.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>129184</commentid>
    <comment_count>1</comment_count>
    <who name="James Nurthen">w3cbugzilla</who>
    <bug_when>2018-05-03 21:07:45 +0000</bug_when>
    <thetext>https://github.com/w3c/core-aam/issues/7</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>