* It should check whether the command line options given by \a options are
* valid. On success, it should return a pointer to the writer-specific
* configuration data determined by \a options. Note that this might be called
- * more than once with different values of \a options.
+ * more than once with different values of \a options. \sa \ref free_config().
*/
void *(*parse_config)(const char *options);
- void (*free_config)(void *conf);
+ /**
+ * Dellocate all configuration resources.
+ *
+ * This should free whatever was allocated by \ref parse_config().
+ */
+ void (*free_config)(void *config);
/**
* Open one instance of this writer.
*