Description
The CPN ML identifiers are alphanumeric sequences of letters, digits, primes/apostrophes ('), and underscores (_) -- starting with a letter.
They are used for:
- Colour sets
- Record colour set field labels
- Value constructors
- Variables
- Operators and function symbols
- Prefixes of place, transition, and page names when
using the state space tool
Examples
These identifiers are legal:
- SmallOrder
- e3'f4
- big_bertha
These are illegal, because they do not begin with a letter: