src/Pure/compress.ML
2006-09-15 wenzelm 2006-09-15 renamed Term.map_term_types to Term.map_types (cf. Term.fold_types);
2005-09-15 wenzelm 2005-09-15 TableFun/Symtab: curried lookup and update;
2005-09-01 wenzelm 2005-09-01 curried_lookup/update;
2005-08-01 wenzelm 2005-08-01 compression of terms and types by sharing common subtrees;