Slangify::Tutorial::Grammar parses a canonical booking DSL line of the form:
name "Jane" party 4 time 19:30 restaurant "Bistro Verde" date tomorrow
Full name of the person, in double quotes. Accepts any characters except ". Example: name "Dr. Jane Smith"
Integer number of people. Example: party 4
24-hour time as HH:MM. Example: time 19:30
Restaurant name in double quotes. Example: restaurant "Bistro Verde"
Single word: today, tomorrow, a weekday name, or an ISO date (2026-06-01). Example: date tomorrow
Paste the grammar into https://slangify.org/playground and use the canonical DSL as input. The grammar parses standalone — no LLM step required.