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Revision 16989 of Firefox 12 for developers

  • Revision slug: Firefox_12_for_developers
  • Revision title: Firefox 12 for developers
  • Revision id: 16989
  • Created:
  • Creator: Sheppy
  • Is current revision? No
  • Comment 24 words added

Revision Content

{{ draft() }}

{{ ReleaseChannelInfo("12") }}

Want to help document Firefox 12? See the list of bugs that need to be written about and pitch in!

Changes for Web developers

SVG

  • Firefox now implement the {{ domxref("SVGTests") }} DOM API, see {{ bug("607854") }}

MathML

  • To control the directionality of MathML formulas the dir attribute is now supported on the {{ MathMLElement("math") }}, {{ MathMLElement("mrow") }} and {{ MathMLElement("mstyle") }} elements as well as on MathML Token Elements. This is particularly important for some Arabic mathematical notations.
  • The alignment attribute align defined in MathML3  has been implemented for {{ MathMLElement("munder") }}, {{ MathMLElement("mover") }} and {{ MathMLElement("munderover") }}.

Changes for Mozilla and add-on developers

XPCOM

See also

Revision Source

<p>{{ draft() }}</p>
<p>{{ ReleaseChannelInfo("12") }}</p>
<p>Want to help document Firefox 12? See the <a class="external" href="http://beta.elchi3.de/doctracker/#list=fx&amp;version=12.0" title="http://beta.elchi3.de/doctracker/#list=fx&amp;version=12.0">list of bugs that need to be written about</a> and pitch in!</p>
<h2>Changes for Web developers</h2>
<h3>SVG</h3>
<ul> <li>Firefox now implement the {{ domxref("SVGTests") }} DOM API, see {{ bug("607854") }}</li>
</ul>
<h3>MathML</h3>
<ul> <li>To control the directionality of MathML formulas the <code>dir</code> attribute is now supported on the {{ MathMLElement("math") }}, {{ MathMLElement("mrow") }} and {{ MathMLElement("mstyle") }} elements as well as on <a href="/Special:Tags?tag=MathML:Token+Elements" title="Special:Tags?tag=MathML:Token+Elements">MathML Token Elements</a>. This is particularly important for some <a class="external" href="http://www.w3.org/TR/arabic-math/" title="http://www.w3.org/TR/arabic-math/">Arabic mathematical notations</a>.</li> <li>The alignment attribute <code>align</code> defined in MathML3  has been implemented for {{ MathMLElement("munder") }}, {{ MathMLElement("mover") }} and {{ MathMLElement("munderover") }}.</li>
</ul><h2>Changes for Mozilla and add-on developers</h2>
<h3>XPCOM</h3>
<ul> <li><a href="/en/nsISupports_proxies" title="nsISupports proxies"><code>nsISupports</code> proxies</a> are no longer supported. You should be using runnables instead; see <a href="/en/XPCOM/Making_cross-thread_calls_using_runnables" title="en/XPCOM/Making cross-thread calls using runnables">Making cross-thread calls using runnables</a>.</li>
</ul><h2>See also</h2>
<ul> <li><a href="/en/Firefox_11_for_developers" title="Firefox 11 for developers">Firefox 11 for developers</a></li> <li><a href="/en/Firefox_10_for_developers" title="en/Firefox 10 for developers">Firefox 10 for developers</a></li> <li><a href="/en/Firefox_9_for_developers" title="en/Firefox 9 for developers">Firefox 9 for developers</a></li> <li><a href="/en/Firefox_8_for_developers" title="en/Firefox 8 for developers">Firefox 8 for developers</a></li> <li><a href="/en/Firefox_7_for_developers" title="en/Firefox 7 for developers">Firefox 7 for developers</a></li> <li><a href="/en/Firefox_6_for_developers" title="en/Firefox 6 for developers">Firefox 6 for developers</a></li> <li><a href="/en/Firefox_5_for_developers" title="en/Firefox 5 for developers">Firefox 5 for developers </a></li> <li><a href="/en/Firefox_4_for_developers" title="en/Firefox 4 for developers">Firefox 4 for developers </a></li> <li><a href="/en/Firefox_3.6_for_developers" title="en/Firefox 3.6 for developers">Firefox 3.6 for developers </a></li> <li><a href="/En/Firefox_3.5_for_developers" title="en/Firefox 3.5 for developers">Firefox 3.5 for developers</a></li> <li><a href="/en/Firefox_3_for_developers" title="en/Firefox 3 for developers">Firefox 3 for developers</a></li> <li><a href="/en/Firefox_2_for_developers" title="en/Firefox 2 for developers">Firefox 2 for developers</a></li> <li><a href="/en/Firefox_1.5_for_developers" title="en/Firefox 1.5 for developers">Firefox 1.5 for developers</a></li>
</ul>
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