title: intellij undo formatting CTRL+ALT+L
body: <p>intellij: how to undo formatting CTRL+ALT+L? 
  Now the svn diff is a mess. </p>
  
  <p>CTRL+Z did not work.</p>
  
  <p>svn revert: does not work since there are many changes in addition to formatting.</p>
  
  <p>How to disable auto-formatting?</p>