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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - MathML: Extra left space for arrows inside <mo>"
href="https://bugs.webkit.org/show_bug.cgi?id=170272#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - MathML: Extra left space for arrows inside <mo>"
href="https://bugs.webkit.org/show_bug.cgi?id=170272">bug 170272</a>
from <span class="vcard"><a class="email" href="mailto:fred.wang@free.fr" title="Frédéric Wang (:fredw) <fred.wang@free.fr>"> <span class="fn">Frédéric Wang (:fredw)</span></a>
</span></b>
<pre>OK checking the dictionary, the default spacing is actually correct (lspace = rspace = 5). If you don't want the space, you can use <mo lspace="0em" rspace="0em">.
The issue seems to be how the stretched operator is drawn. Compare <mo stretchy="true> VS <mo stretchy="true>. In that case, you'll have to look into WebCore/rendering/mathml/ and more precisely RenderMathMLOperator.cpp and MathOperator.cpp</pre>
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