Typography category
Semantic Typography
Dates, numbers, units, and currencies whose typography also carries meaning.
4 complete rulesRelated rule pathsQA mappings
Browse Semantic
Definitions, examples, judgment, and implementation.
Semantic TypographyStrong semantic convention with locale exceptions
Number & Unit Spacing
A number and its measurement unit normally form one semantic pair and should use the locale’s expected spacing without breaking across lines.
UNIT_SPACESemantic TypographyLocale-dependent convention
Date Formats
Date order, separators, month names, and abbreviations are locale- and purpose-dependent; ambiguous numeric dates require human interpretation.
DATE_FORMATSemantic TypographyLocale-dependent semantic convention
Number Separators
Decimal and grouping separators are locale-dependent symbols whose incorrect substitution can change numerical meaning.
NUM_FORMATSemantic TypographyLocale and accounting-style dependent
Currency Typography
Currency typography combines symbol or code, value, placement, spacing, and locale or accounting convention.
CURRENCY_LOGIC