Index: trunk/Ohana/src/kapa2/src/InterpretKeys.c
===================================================================
--- trunk/Ohana/src/kapa2/src/InterpretKeys.c	(revision 38465)
+++ trunk/Ohana/src/kapa2/src/InterpretKeys.c	(revision 41157)
@@ -160,4 +160,6 @@
       break;
 
+    case XK_plus:
+    case XK_equal:
     case XK_KP_Add:
       if (modstate & ControlMask) {
@@ -171,4 +173,7 @@
       Reorient (graphic, image, image[0].picture.Xc, image[0].picture.Yc, 0);
       break;
+
+    case XK_minus:
+    case XK_underscore:
     case XK_KP_Subtract:
       if (modstate & ControlMask) {