A trigger mapping value can be escaped as a literal
The rule
Normative: this is the rule
- In a trigger mapping, a value prefixed
literal:or wrapped in matching single or double quotes is taken as the literal string it spells, and is not extracted from the context. - The escape applies to trigger mappings only.
Rule identifiers are permanent and are never renumbered. Each implementation publishes its own standing against these rules; this specification does not.spec 1.0-draft · LANG-18 · changed in spec 1.0