KB modes extended to support following functionality: bibconvert look-up value in KB_file in one of following modes: =========================================================== 1 - case sensitive / match (default) 2 - not case sensitive / search 3 - case sensitive / search 4 - not case sensitive / match 5 - case sensitive / search (in KB) 6 - not case sensitive / search (in KB) 7 - case sensitive / search (reciprocal) 8 - not case sensitive / search (reciprocal) 9 - replace by _DEFAULT_ only R - not case sensitive / search (reciprocal) (8) replace