* @param bind_file bind file
* @param unbind_map pointer to a KeyMap that holds \unbind bindings
*/
- bool read(std::string const & bind_file, KeyMap * unbind_map = NULL);
+ bool read(std::string const & bind_file, KeyMap * unbind_map = 0);
/** write to a bind file.
* @param append append to the bind_file instead of overwrite it