* (bug 2741) Adds support in the SDL client for many keys that were not

recognized.  For example, F13, F14, F15, WINDOWS, SCROLLLOCK, CAPSLOCK,
  WORLD_0 - WORLD_95, etc. (Christophe Cavalaria)

* (bug 2741) Adds the hard-coded toggleConsole bind Shift-Escape

* (bug 2741) Adds detailed explaination of SDL keyboard handling differences
  in the README file.

code/client/keycodes.h

@@ -151,7 +151,116 @@ typedef enum {
 	K_AUX15,
 	K_AUX16,
 
-	K_LAST_KEY		// this had better be <256!
+	K_WORLD_0,
+	K_WORLD_1,
+	K_WORLD_2,
+	K_WORLD_3,
+	K_WORLD_4,
+	K_WORLD_5,
+	K_WORLD_6,
+	K_WORLD_7,
+	K_WORLD_8,
+	K_WORLD_9,
+	K_WORLD_10,
+	K_WORLD_11,
+	K_WORLD_12,
+	K_WORLD_13,
+	K_WORLD_14,
+	K_WORLD_15,
+	K_WORLD_16,
+	K_WORLD_17,
+	K_WORLD_18,
+	K_WORLD_19,
+	K_WORLD_20,
+	K_WORLD_21,
+	K_WORLD_22,
+	K_WORLD_23,
+	K_WORLD_24,
+	K_WORLD_25,
+	K_WORLD_26,
+	K_WORLD_27,
+	K_WORLD_28,
+	K_WORLD_29,
+	K_WORLD_30,
+	K_WORLD_31,
+	K_WORLD_32,
+	K_WORLD_33,
+	K_WORLD_34,
+	K_WORLD_35,
+	K_WORLD_36,
+	K_WORLD_37,
+	K_WORLD_38,
+	K_WORLD_39,
+	K_WORLD_40,
+	K_WORLD_41,
+	K_WORLD_42,
+	K_WORLD_43,
+	K_WORLD_44,
+	K_WORLD_45,
+	K_WORLD_46,
+	K_WORLD_47,
+	K_WORLD_48,
+	K_WORLD_49,
+	K_WORLD_50,
+	K_WORLD_51,
+	K_WORLD_52,
+	K_WORLD_53,
+	K_WORLD_54,
+	K_WORLD_55,
+	K_WORLD_56,
+	K_WORLD_57,
+	K_WORLD_58,
+	K_WORLD_59,
+	K_WORLD_60,
+	K_WORLD_61,
+	K_WORLD_62,
+	K_WORLD_63,
+	K_WORLD_64,
+	K_WORLD_65,
+	K_WORLD_66,
+	K_WORLD_67,
+	K_WORLD_68,
+	K_WORLD_69,
+	K_WORLD_70,
+	K_WORLD_71,
+	K_WORLD_72,
+	K_WORLD_73,
+	K_WORLD_74,
+	K_WORLD_75,
+	K_WORLD_76,
+	K_WORLD_77,
+	K_WORLD_78,
+	K_WORLD_79,
+	K_WORLD_80,
+	K_WORLD_81,
+	K_WORLD_82,
+	K_WORLD_83,
+	K_WORLD_84,
+	K_WORLD_85,
+	K_WORLD_86,
+	K_WORLD_87,
+	K_WORLD_88,
+	K_WORLD_89,
+	K_WORLD_90,
+	K_WORLD_91,
+	K_WORLD_92,
+	K_WORLD_93,
+	K_WORLD_94,
+	K_WORLD_95,
+
+	K_SUPER,
+	K_COMPOSE,
+	K_MODE,
+	K_HELP,
+	K_PRINT,
+	K_SYSREQ,
+	K_SCROLLOCK,
+	K_BREAK,
+	K_MENU,
+	K_EURO,
+	K_UNDO,
+
+	K_LAST_KEY		// this had better be < MAX_KEYS!
 } keyNum_t;