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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Change CSSParser::sourceSize returning Optional&lt;CSSParser::SourceSize&gt;"
   href="https://bugs.webkit.org/show_bug.cgi?id=159666#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Change CSSParser::sourceSize returning Optional&lt;CSSParser::SourceSize&gt;"
   href="https://bugs.webkit.org/show_bug.cgi?id=159666">bug 159666</a>
              from <span class="vcard"><a class="email" href="mailto:darin&#64;apple.com" title="Darin Adler &lt;darin&#64;apple.com&gt;"> <span class="fn">Darin Adler</span></a>
</span></b>
        <pre>Comment on <span class=""><a href="attachment.cgi?id=283399&amp;action=diff" name="attach_283399" title="Patch">attachment 283399</a> <a href="attachment.cgi?id=283399&amp;action=edit" title="Patch">[details]</a></span>
Patch

View in context: <a href="https://bugs.webkit.org/attachment.cgi?id=283399&amp;action=review">https://bugs.webkit.org/attachment.cgi?id=283399&amp;action=review</a>

<span class="quote">&gt; Source/WebCore/css/CSSGrammar.y.in:580
&gt; +        auto result = parser-&gt;sourceSize(WTFMove(*$1), $2);
&gt; +        if (result)</span >

I’d like this slightly better with the expression inside the if, but otherwise the patch looks perfect to me.</pre>
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