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[e] (0) Try to clarify that UAs don't have to continually be rescanni…
…ng for icons and sorting each time. Fixing http://www.w3.org/Bugs/Public/show_bug.cgi?id=13106 git-svn-id: http://svn.whatwg.org/webapps@6379 340c8d12-0b0e-0410-8428-c7bf67bfef74
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|title="attr-link-media">media</code>, and <code|
|title="attr-link-sizes">sizes</code> attributes. If there are|
|multiple equally appropriate icons, user agents must use the last|
|one declared in <span>tree order</span>. If the user agent tries to|
|use an icon but that icon is determined, upon closer examination, to|
|in fact be inappropriate (e.g. because it uses an unsupported|
|format), then the user agent must try the next-most-appropriate icon|
|as determined by the attributes.</span></p>|
|one declared in <span>tree order</span> at the time that the user|
|agent collected the list of icons. If the user agent tries to use an|
|icon but that icon is determined, upon closer examination, to in|
|fact be inappropriate (e.g. because it uses an unsupported format),|
|then the user agent must try the next-most-appropriate icon as|
|determined by the attributes.</span></p>|
|<p class="note">User agents are not required to update icons when|
|the list of icons changes, but are encouraged to do so.</p>|
|<p>There is no default type for resources given by the <code|
|title="rel-icon">icon</code> keyword. However, for the purposes of|
|<a href="#concept-link-type-sniffing">determining the type of the|