This account contains the FORTRAN Cross-Referencer XRF. I have only
modified it slightly to allow for Tabs in the input file, to allow
lowercase in the input file, and to output more meaningful error
messages (and an error count).

From: Phil Stephensen-Payne,
c/o Systime Ltd.,
Concourse Computer Centre,
432 Dewsbury Road,
LEEDS LS11 7DF,
England.