@@ -151,10 +151,15 @@
 here is reserved for future use; they are not valid key codes.)
 
 (Free Hero Mesh currently ignores the comment and time stamp, although
 this might change in a future version of Free Hero Mesh.)
 
+Special key codes are:
+
+* 1 = Coordinate input; follow by two more bytes being the X coordinate
+and Y coordinate (both in the range 1 to 64).
+
 
 === xclass/*.DEP ===
 
 A dependent picture (defined by transforming one or more other pictures);
 the part of the name before the dot is the picture name.