The CPN ML identifiers are alphanumeric sequences of letters, digits, primes/apostrophes ('), and underscores (_) — starting with a letter.
They are used for:
- Color sets
- Record color 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:
SmallOrdere3'f4big_bertha
These are illegal, because they do not begin with a letter:
3e4f_New_Id
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