Make it possible to trace the parsers defined by DEFINE-PARSER.
Make it possible to trace the parsers defined by DEFINE-PARSER.

vtomole/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL