DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (d1ed7de67f5a)

VCS Links

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<box xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <stack>
    <label top="33px" left="33px" style="color: grey;" value="Hello"/>
    <label top="30px" left="30px" style="color: green;" value="Hello"/>
  </stack>
</box>