* subversion/libsvn_client/externals.c: More comment tweaks, about   possible optimizations.
* subversion/libsvn_client/externals.c: More comment tweaks, about
  possible optimizations.



git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@842320 13f79535-47bb-0310-9956-ffa450edef68

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