devdraw: keep Ctl-Alt from turning into Ctl-U on X11
diff --git a/src/cmd/devdraw/x11-itrans.c b/src/cmd/devdraw/x11-itrans.c
index c0e3194..d95f0cb 100644
--- a/src/cmd/devdraw/x11-itrans.c
+++ b/src/cmd/devdraw/x11-itrans.c
@@ -127,7 +127,7 @@
 	if(k == XK_hyphen)
 		k = XK_minus;
 	/* Do control mapping ourselves if translator doesn't */
-	if(e->xkey.state&ControlMask)
+	if(e->xkey.state&ControlMask && k != Kalt)
 		k &= 0x9f;
 	if(k == NoSymbol) {
 		return -1;