diff -u -r meld.orig/meldapp.py meld/meldapp.py
--- meld.orig/meldapp.py	2009-09-16 17:19:16.000000000 -0600
+++ meld/meldapp.py	2009-09-16 18:15:40.000000000 -0600
@@ -842,7 +842,10 @@
     %prog <dir>                 Start with VC browser in 'dir'
     %prog <file>                Start with VC diff of 'file'
     %prog <file> <file> [file]  Start with 2 or 3 way file comparison
-    %prog <dir>  <dir>  [dir]   Start with 2 or 3 way directory comparison""",
+    %prog <dir>  <dir>  [dir]   Start with 2 or 3 way directory comparison
+    
+    Multiple diffs may be separated with "-".
+    """,
     description="""Meld is a file and directory comparison tool.""",
     version="%prog "+version)
     parser.add_option("-L", "--label", action="append", default=[], help=_("Set label to use instead of file name"))
@@ -854,30 +857,42 @@
 
     app = MeldApp()
     tab = None
-
-    if len(args) == 0:
-        pass
-
-    elif len(args) == 1:
-        a = args[0]
-        if os.path.isfile(a):
-            doc = vcview.VcView(app.prefs)
-            def cleanup():
-                app.scheduler.remove_scheduler(doc.scheduler)
-            app.scheduler.add_task(cleanup)
-            app.scheduler.add_scheduler(doc.scheduler)
-            doc.set_location( os.path.dirname(a) )
-            doc.connect("create-diff", lambda obj,arg: app.append_diff(arg) )
-            doc.run_diff([a])
-        else:
-            tab = app.append_vcview( [a] )
-                
-    elif len(args) in (2,3):
-        tab = app.append_diff(args)
+    
+    if '-' in args:
+        ##
+        ## There are multiple diffs, separated by '-'
+        argParts = []
+        working = args
+        while '-' in working:
+            argParts.append(working[:working.index('-')])
+            working = working[working.index('-')+1:]
+        argParts.append(working)
     else:
-        app.usage( _("Wrong number of arguments (Got %i)") % len(args))
-
-    if tab:
-        tab.set_labels( options.label )
+        argParts = [args]
+    
+    for args in argParts:
+        if len(args) == 0:
+            pass
+        elif len(args) == 1:
+            a = args[0]
+            if os.path.isfile(a):
+                doc = vcview.VcView(app.prefs)
+                def cleanup():
+                    app.scheduler.remove_scheduler(doc.scheduler)
+                app.scheduler.add_task(cleanup)
+                app.scheduler.add_scheduler(doc.scheduler)
+                doc.set_location( os.path.dirname(a) )
+                doc.connect("create-diff", lambda obj,arg: app.append_diff(arg) )
+                doc.run_diff([a])
+            else:
+                tab = app.append_vcview( [a] )
+                    
+        elif len(args) in (2,3):
+            tab = app.append_diff(args)
+        else:
+            app.usage( _("Wrong number of arguments (Got %i)") % len(args))
+    
+        if tab:
+            tab.set_labels( options.label )
     app.main()
 
Binary files meld.orig/meldapp.pyc and meld/meldapp.pyc differ