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Known Issues docs: add info about fieldsets, em units on childless el…

…ements, and browser zoom
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1 parent 0cfca98 commit df4bd8a70574bc34a0615f53516f845f2ec118d9 Jason Johnston committed Mar 21, 2011
Showing with 12 additions and 1 deletion.
  1. +12 −1 documentation/known-issues.html
@@ -28,6 +28,7 @@
<li><a href="#content-type">Serving the correct Content-Type</a></li>
<li><a href="#x-domain">Same domain limitation</a></li>
<li><a href="#elements">Problems on certain elements</a></li>
+ <li><a href="#zoom">Browser zooming</a></li>
</ul>
@@ -181,10 +182,20 @@ <h2 id="x-domain">Same-domain limitation</h2>
<a href="/documentation/pie-js/">PIE.js</a> approach to get around it.</p>
-<h2 id="elements">Problems on certain elements</h2>
+<h2 id="elements">Problems on certain element types</h2>
<p>PIE does not currently work when applied to the &lt;body> or &lt;html> elements. Try using a wrapper div
around the body contents and applying your CSS3 styles and PIE.htc to it instead.</p>
+<p>Avoid using PIE on &lt;fieldset> elements, as it does not properly handle rendering of the &lt;legend>.</p>
+<p>Also, element types that cannot accept children (e.g. &lt;input> and &lt;img>) will fail or throw errors
+if you apply styles that use relative length units such as em or ex. Stick to using px units for these elements.</p>
+
+
+<h2 id="zoom">Browser Zooming</h2>
+
+<p>When the user uses the browser zoom function (available in IE7 and up), PIE does not currently scale any
+background images it manages to match. This can cause things to look broken at zoom levels other than 100%,
+if your background images are dependent on sizing (e.g. sprite images).</p>
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