Free On-line Dictionary of Computing:
zigamorph
/zig'*-morf/ 1. Hex FF (11111111) when used as a
delimiter
or
fence character. Usage: primarily at
IBM shops.
2. [proposed] The
Unicode non-character +UFFFF
(1111111111111111), a character code which is not assigned to
any character, and so is usable as end-of-string.
[
Jargon File]