Names of actions, and formal parameters standing for actions, begin with a
lower case letter a - z.
Identifiers for sets, relabelling functions, agents or propositions, and
formal parameters standing for these things, begin with an upper case
letter A - Z.
The second and subsequent characters of an identifier may be:
Also for obvious reasons:
lower case letters a - z
- upper case letters A - Z
- the digits 0 - 9
- the characters ? ! _ ` ' -
- the characters # ^ except in SCCS action names, where these characters
have a special meaning
- anything you like between a pair of % signs, at the very end of an
identifier (this feature was added for use by Glenn Bruns' value-passing
Please note that it is possible that the set of permitted characters may be
restricted further in future; if you want to write future-proof scripts you
would be well advised to stick to alphanumeric characters.
eps and tau may not be used as action names or formal action parameters
- T and F may not be used as proposition identifiers or formal parameters to
Edinburgh Concurrency Workbench (v7.1).
Page generated: Sat Jul 17 22:16:15 BST 1999