1 Reuses a dictionnary for the hash table to reduce the string compare 2 costs. Not worth it unless validating big DTDs 3 4 without with 5 db10000 tree 175/79 179/81 6 db100000 stream 1222 1217 7 dba100000stream 593 601 8 REC validation 1986 2098 9 Docbook valid 10808 10649 10 11 Tue Feb 24 19:09:49 CET 2004 12