* Further both functions pass an enumeration indicating the action
* performed by the transformation, e.g. the kind of optimization performed.
*
- * print_dbg is called to convert a debug info into a human readable string.
- * This string is the dumped in the duper functions.
+ * The third argument snprint_dbg is called to convert a debug info into a human readable string.
+ * This string is the dumped in the dumper functions.
*
* Note that if NULL is passed for dbg_info_merge_pair or dbg_info_merge_sets, the default
* implementations default_dbg_info_merge_pair() and default_dbg_info_merge_sets() are used.
+ * NULL passed for snprint_dbg means no output.
*/
void dbg_init(merge_pair_func *dbg_info_merge_pair, merge_sets_func *dbg_info_merge_sets, snprint_dbg_func *snprint_dbg);