--- title: Design Proposals --- # Design Proposals This section contains design proposals, listed as subpages below. In each proposal, please add a header and a TOC if it is longer than a page. You can cut&paste the structure in [Proposed Collation Additions](https://cldr.unicode.org/development/development-process/design-proposals/proposed-collation-additions) and make the necessary changes. [Alternate Time Formats](https://cldr.unicode.org/development/development-process/design-proposals/alternate-time-formats) [BCP 47 Changes (DRAFT)](https://cldr.unicode.org/development/development-process/design-proposals/bcp-47-changes-draft) [BCP47 Syntax Mapping](https://cldr.unicode.org/development/development-process/design-proposals/bcp47-syntax-mapping) [BCP47 Validation and Canonicalization](https://cldr.unicode.org/development/development-process/design-proposals/bcp47-validation-and-canonicalization) [BIDI handling of Structured Text](https://cldr.unicode.org/development/development-process/design-proposals/bidi-handling-of-structured-text) [Change to Sites?](https://cldr.unicode.org/development/development-process/design-proposals/change-to-sites) [Chinese (and other) calendar support, intercalary months, year cycles](https://cldr.unicode.org/development/development-process/design-proposals/chinese-and-other-calendar-support-intercalary-months-year-cycles) [Consistent Casing](https://cldr.unicode.org/development/development-process/design-proposals/consistent-casing) [Coverage Revision](https://cldr.unicode.org/development/development-process/design-proposals/coverage-revision) [Currency Code Fallback](https://cldr.unicode.org/development/development-process/design-proposals/currency-code-fallback) [Day-Period Design](https://cldr.unicode.org/development/development-process/design-proposals/day-period-design) [Delimiter (Quotation Mark) Proposal](https://cldr.unicode.org/development/development-process/design-proposals/delimiter-quotation-mark-proposal) [English Inheritance](https://cldr.unicode.org/development/development-process/design-proposals/english-inheritance) [European Ordering Rules Issues](https://cldr.unicode.org/development/development-process/design-proposals/european-ordering-rules-issues) [Extended Windows-Olson zid mapping](https://cldr.unicode.org/development/development-process/design-proposals/extended-windows-olson-zid-mapping) [Fractional Plurals](https://cldr.unicode.org/development/development-process/design-proposals/fractional-plurals) [Generic calendar data](https://cldr.unicode.org/development/development-process/design-proposals/generic-calendar-data) [Grammar & capitalization forms for date/time elements and others](https://cldr.unicode.org/development/development-process/design-proposals/grammar-capitalization-forms-for-datetime-elements-and-others) [Grapheme Usage](https://cldr.unicode.org/development/development-process/design-proposals/grapheme-usage) [Hebrew Months](https://cldr.unicode.org/development/development-process/design-proposals/hebrew-months) [Index Characters](https://cldr.unicode.org/development/development-process/design-proposals/index-characters) [Islamic Calendar Types](https://cldr.unicode.org/development/development-process/design-proposals/islamic-calendar-types) [ISO 636 Deprecation Requests - DRAFT](https://cldr.unicode.org/development/development-process/design-proposals/iso-636-deprecation-requests-draft) [JSON Packaging (Approved by the CLDR TC on 2015-03-25)](https://cldr.unicode.org/development/development-process/design-proposals/json-packaging-approved-by-the-cldr-tc-on-2015-03-25) [Language Data Consistency](https://cldr.unicode.org/development/development-process/design-proposals/language-data-consistency) [Language Distance Data](https://cldr.unicode.org/development/development-process/design-proposals/language-distance-data) [List Formatting](https://cldr.unicode.org/development/development-process/design-proposals/list-formatting) [Locale Format](https://cldr.unicode.org/development/development-process/design-proposals/locale-format) [Localized GMT Format](https://cldr.unicode.org/development/development-process/design-proposals/localized-gmt-format) [Math Formula Preferences](https://cldr.unicode.org/development/development-process/design-proposals/math-formula-preferences) [New BCP47 Extension T Fields](https://cldr.unicode.org/development/development-process/design-proposals/new-bcp47-extension-t-fields) [New Time Zone Patterns](https://cldr.unicode.org/development/development-process/design-proposals/new-time-zone-patterns) [Path Filtering](https://cldr.unicode.org/development/development-process/design-proposals/path-filtering) [Pattern character for “related year”](https://cldr.unicode.org/development/development-process/design-proposals/pattern-character-for-related-year) [Pinyin Fixes](https://cldr.unicode.org/development/development-process/design-proposals/pinyin-fixes) [Post Mortem](https://cldr.unicode.org/development/development-process/design-proposals/post-mortem) [Proposed Collation Additions](https://cldr.unicode.org/development/development-process/design-proposals/proposed-collation-additions) [Resolution of CLDR files](https://cldr.unicode.org/development/development-process/design-proposals/resolution-of-cldr-files) [script-metadata](https://cldr.unicode.org/development/development-process/design-proposals/script-metadata) [Search collators](https://cldr.unicode.org/development/development-process/design-proposals/search-collators) [Secular/neutral eras](https://cldr.unicode.org/development/development-process/design-proposals/secularneutral-eras) [Specifying text break variants in locale IDs](https://cldr.unicode.org/development/development-process/design-proposals/specifying-text-break-variants-in-locale-ids) [Suggested Exemplar Revisions](https://cldr.unicode.org/development/development-process/design-proposals/suggested-exemplar-revisions) [Supported NumberingSystems](https://cldr.unicode.org/development/development-process/design-proposals/supported-numberingsystems) [Thoughts on Survey Tool Backend](https://cldr.unicode.org/development/development-process/design-proposals/thoughts-on-survey-tool-backend) [Time Zone Data Reorganization](https://cldr.unicode.org/development/development-process/design-proposals/time-zone-data-reorganization) [Transform Fallback](https://cldr.unicode.org/development/development-process/design-proposals/transform-fallback) [Transform keywords](https://cldr.unicode.org/development/development-process/design-proposals/transform-keywords) [Unihan Data](https://cldr.unicode.org/development/development-process/design-proposals/unihan-data) [Units: pixels, ems, display resolution](https://cldr.unicode.org/development/development-process/design-proposals/units-pixels-ems-display-resolution) [UTS #35 Splitting](https://cldr.unicode.org/development/development-process/design-proposals/uts-35-splitting) [Voting](https://cldr.unicode.org/development/development-process/design-proposals/voting) [XMB](https://cldr.unicode.org/development/development-process/design-proposals/xmb)