edit: dont generate control-char combos

common/edit.lua

@@ -1163,9 +1163,10 @@ function input:translate(event, code, p1, p2)
     end
 
   elseif event == 'char' then
-    if not self:modifierPressed() then
+    if not self.pressed[keys.leftAlt] and
+       not self.pressed[keys.rightAlt] then
       self.fired = true
-      return input:toCode(code)
+      return code -- input:toCode(code)
     end
 
   elseif event == 'key_up' then