xC: clean up

xC.c

@@ -11399,8 +11399,9 @@ lua_ctx_gc (lua_State *L)
 
 static luaL_Reg lua_plugin_library[] =
 {
-	// These are global functions:
+	// These are pseudo-global functions:
 
+	{ "measure",         lua_plugin_measure         },
 	{ "parse",           lua_plugin_parse           },
 	{ "hook_input",      lua_plugin_hook_input      },
 	{ "hook_irc",        lua_plugin_hook_irc        },
@@ -11410,8 +11411,8 @@ static luaL_Reg lua_plugin_library[] =
 
 	// And these are methods:
 
+	// Note that this only returns the height when used through an accessor.
 	{ "get_screen_size", lua_plugin_get_screen_size },
-	{ "measure",         lua_plugin_measure         },
 	{ "__gc",            lua_ctx_gc                 },
 	{ NULL,              NULL                       },
 };