*  "p4 fstat" should perhaps report a "clientFile" field for a file that
   is open for an initial add.  Presently it only reports a "depotFile",
   "action add" and "change default".
*  "p4 diff" should allow -sa and -se to be combined in some way (as well
   as other options).  This would probably require each line outputed to
   contain a tag denoting what happened to the file.
*  "p4 submit" should maybe always invoke the edit session.
*  "p4 submit" that fails should keep the default change as the default.
*  There should be some way to abort a submit from the edit session.