Index: roundup/mailgw.py
===================================================================
RCS file: /cvsroot/roundup/roundup/roundup/mailgw.py,v
retrieving revision 1.74
diff -c -r1.74 mailgw.py
*** roundup/mailgw.py	29 May 2002 01:16:17 -0000	1.74
--- roundup/mailgw.py	9 Jul 2002 11:26:11 -0000
***************
*** 438,444 ****
                      else:
                          curvalue = []
  
!                     # handle each add/remove in turn
                      for item in value.split(','):
                          item = item.strip()
  
--- 438,450 ----
                      else:
                          curvalue = []
  
!                     # handle each add/remove in turn,
!                     # keep an extra list for all items that are
!                     # definitely in the new list (in case of e.g.
!                     # <propname>=A,+B, which should replace the old
!                     # list with A,B)
!                     set = 0
!                     newvalue = []
                      for item in value.split(','):
                          item = item.strip()
  
***************
*** 449,454 ****
--- 455,462 ----
                              item = item[1:]
                          elif item.startswith('+'):
                              item = item[1:]
+                         else:
+                             set = 1
  
                          # look up the value
                          try:
***************
*** 467,477 ****
                                      'for %s.'%(item, propname))
                                  continue
                          else:
                              if item not in curvalue:
                                  curvalue.append(item)
  
!                     # that's it, set the new Multilink property value
!                     props[propname] = curvalue
  
              # handle any errors parsing the argument list
              if errors:
--- 475,490 ----
                                      'for %s.'%(item, propname))
                                  continue
                          else:
+                             newvalue.append(item)
                              if item not in curvalue:
                                  curvalue.append(item)
  
!                     # that's it, set the new Multilink property value,
!                     # or overwrite it completely
!                     if set:
!                         props[propname] = newvalue
!                     else:
!                         props[propname] = curvalue
  
              # handle any errors parsing the argument list
              if errors: