Module number 

Numeric variable extraction and page-range helpers. Rendering logic for numeric variables (volume, issue, pages, citation numbers, etc.).

This module handles number component rendering with support for page range formatting, edition labels, and numeric citation identifiers.

Functions

check_plural

Heuristically detect whether a locator string should use plural labeling.

format_chicago

Chicago Manual of Style page range format

format_minimal

Minimal format: keep only differing digits, with minimum min_digits

format_page_range

Format a page range according to the specified format.

number_var_to_locator_type

Maps a number variable to its corresponding locator type.