Module text_case 

Title text-case transform functions. Title text-case transforms.

Implements structured-title-aware casing for bibliography output. All transforms operate on Djot-markup-bearing strings and respect .nocase span protection via the rich-text renderer.

Functions

apply_text_case

Apply a text-case transform to a single plain-text segment.

apply_to_structured_parts

Apply text-case to a structured title (main + subtitles).

is_english_language

Returns true if the given language tag indicates English.

resolve_text_case

Resolve the effective text-case, applying language fallback.