am e78b4f53: Doc change: collapse key fix... clean version of kmccormick\'s change from I620150b14ecd59db05f40c4422f8e2d09e05ebcb

* commit 'e78b4f53392d25eda4a121670aca518df9615f71':
  Doc change: collapse key fix... clean version of kmccormick's change from I620150b14ecd59db05f40c4422f8e2d09e05ebcb