Fix whatnow edit command

In whatnow shell, edit [program [parameters]] now calls program
with supplied parameters plus the name of the file to edit.

* mh/mh.h (mh_whatnow_env) <reedit>: New member.
* mh/mh_whatnow.c (edit): Rewrite.
* mh/whatnow.c (main): Properly handle argv[1]
* NEWS: Update.

@@ -149,6 +149,14 @@ Added support for priority and regex functions.
 
 Debugging considerably improved.
 
+* MH suite
+
+** Added support for Local-Mailbox profile setting
+
+** Fix whatnow edit command
+
+** Fix bug in comp, forw, and repl: Draft-Folder setting was ignored
+
 
 Version 3.2 - 2017-03-11
 

@@ -216,6 +216,7 @@ struct mh_whatnow_env     /* whatnow shell environment */
   mu_list_t anno_list;    /* List of messages (mu_message_t) to annotate */
   mu_mailbox_t mbox;
   int nowhatnowproc;
+  int reedit:1;           /* Set if the editor was already invoked */
 };
 
 #define DISP_QUIT 0

@@ -380,13 +380,52 @@ display (struct mh_whatnow_env *wh, int argc, char **argv, int *status)
 
 /* Edit action */
 static int
-edit (struct mh_whatnow_env *wh, int argc, char **argv, int *status)
+edit (struct mh_whatnow_env *wh, int argc, char **argv, int *whs)
 {
-  char *name;
+  char const *ed;
+  int i, rc, status;
+  char **xargv;
+  
+  if (wh->reedit)
+    {
+      if (argc > 1)
+	ed = argv[1];
+      else
+	{
+	  char *name;
+	  char const *newed;
+	  mu_asprintf (&name, "%s-next", wh->editor);
+	  newed = mh_global_profile_get (name, NULL);
+	  free (name);
+	  if (newed)
+	    ed = newed;
+	}
+    }
+  else if (argc > 1)
+    ed = argv[1];
+  else
+    ed = wh->editor;
+
+  xargv = mu_calloc (argc+2, sizeof (*xargv));
+  xargv[0] = (char *)ed;
+  for (i = 1; i + 1 < argc; i++)
+    xargv[i] = argv[i+1];
+  xargv[i++] = wh->file;
+  xargv[i] = NULL;
+
+  rc = mu_spawnvp (xargv[0], xargv, &status);
+  free (xargv);
+
+  if (rc || check_exit_status (ed, status))
+    {
+      if (wh->file)
+	mu_error (_("problems with edit--%s preserved"), wh->file);
+      else
+	mu_error (_("problems with edit"));
+    }
   
-  mu_asprintf (&name, "%s-next", wh->editor);
-  invoke (name, wh->editor, argc, argv, wh->file, NULL);
-  free (name);
+  wh->editor = ed;
+  wh->reedit = 1;
   
   return 0;
 }

@@ -57,7 +57,7 @@ main (int argc, char **argv)
   mh_whatnow_env_from_environ_late (&wh_env);
   
   if (argc)
-    wh_env.draftfile = argv[0];
+    wh_env.file = argv[0];
   else if (draftfolder)
     {
       if (mh_draft_message (draftfolder, draftmessage, &wh_env.file))