Variable LINE_SPACING_OPTIONS`Const`

LINE_SPACING_OPTIONS: readonly ["tight", "snug", "normal", "relaxed", "loose"] = ...

Defines line spacing options (shared across all engines).

These semantic values follow Tailwind CSS's leading scale exactly:

tight: Compact spacing for fitting more content
snug: Slightly more space than tight
normal: Balanced readability (default)
relaxed: Comfortable reading with more breathing room
loose: Very spacious layout (generally not recommended)

See

https://tailwindcss.com/docs/line-height