Update the HACKING document to reflect a new iteration pool usage convention. The new convention ensures that pools will be cleared every iteration, even  in the presence of 'continue' statements.
Update the HACKING document to reflect a new iteration pool usage convention.
The new convention ensures that pools will be cleared every iteration, even 
in the presence of 'continue' statements.

* HACKING
  (APR pool usage conventions): Change convention to clear the pool at the 
    *beginning* of each iteration.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@846000 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion