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Normative: Delete superfluous era aliases to align with CLDR #72

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dc01840
Normative: Delete superfluous era aliases to align with CLDR
sffc Aug 6, 2025
3337577
fixup: [spec] `npm run build`
sffc Aug 6, 2025
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10 changes: 5 additions & 5 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -3991,7 +3991,7 @@
</ul></div><div id="menu-toggle"><svg xmlns="http://www.w3.org/2000/svg" style="width:100%; height:100%; stroke:currentColor" viewBox="0 0 120 120" width="54" height="54">
<title>Menu</title>
<path stroke-width="10" stroke-linecap="round" d="M30,60 h60 M30,30 m0,5 h60 M30,90 m0,-5 h60"></path>
</svg></div><div id="menu-spacer" class="menu-spacer"></div><div id="menu"><div id="menu-search"><input type="text" id="menu-search-box" placeholder="Search..."><div id="menu-search-results" class="inactive"></div></div><div id="menu-pins"><div class="menu-pane-header">Pins<button class="unpin-all">clear</button></div><ul id="menu-pins-list"></ul></div><div class="menu-pane-header">Table of Contents</div><div id="menu-toc"><ol class="toc"><li><span class="item-toggle">+</span><a href="#ecma402-locales-currencies-tz" title="Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars"><span class="secnum">1</span> Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-ecma402-calendar-types" title="Calendar Types"><span class="secnum">1.1</span> Calendar Types</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-availablecalendars" title="AvailableCalendars ( )"><span class="secnum">1.1.1</span> AvailableCalendars ( )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-and-parameter-negotiation" title="Locale and Parameter Negotiation"><span class="secnum">2</span> Locale and Parameter Negotiation</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-internal-slots" title="Internal slots of Service Constructors"><span class="secnum">2.1</span> Internal slots of Service Constructors</a></li></ol></li><li><span class="item-toggle">+</span><a href="#ecma402-datetimeformat-objects" title="DateTimeFormat Objects"><span class="secnum">3</span> DateTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-ecma402-intl-datetimeformat-constructor" title="The Intl.DateTimeFormat Constructor"><span class="secnum">3.1</span> The Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createdatetimeformat" title="CreateDateTimeFormat ( newTarget, locales, options, required, defaults )"><span class="secnum">3.1.1</span> CreateDateTimeFormat ( <var>newTarget</var>, <var>locales</var>, <var>options</var>, <var>required</var>, <var>defaults</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-ecma402-properties-of-intl-datetimeformat-constructor" title="Properties of the Intl.DateTimeFormat Constructor"><span class="secnum">3.2</span> Properties of the Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-ecma402-intl.datetimeformat-internal-slots" title="Internal slots"><span class="secnum">3.2.1</span> Internal slots</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#ecma402-locale-sensitive-functions" title="Locale Sensitive Functions of the ECMAScript Language Specification"><span class="secnum">4</span> Locale Sensitive Functions of the ECMAScript Language Specification</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-calendar-abstract-ops" title="Abstract Operations for Calendar Calculations"><span class="secnum">4.1</span> Abstract Operations for Calendar Calculations</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendarsupportsera" title="CalendarSupportsEra ( calendar )"><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-canonicalizeeraincalendar" title="CanonicalizeEraInCalendar ( calendar, era )"><span class="secnum">4.1.2</span> CanonicalizeEraInCalendar ( <var>calendar</var>, <var>era</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-isvalidmonthcodeforcalendar" title="IsValidMonthCodeForCalendar ( calendar, monthCode )"><span class="secnum">4.1.3</span> IsValidMonthCodeForCalendar ( <var>calendar</var>, <var>monthCode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-isvaliderayearforcalendar" title="IsValidEraYearForCalendar ( calendar, era, eraYear )"><span class="secnum">4.1.4</span> IsValidEraYearForCalendar ( <var>calendar</var>, <var>era</var>, <var>eraYear</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardateera" title="CalendarDateEra ( calendar, date )"><span class="secnum">4.1.5</span> CalendarDateEra ( <var>calendar</var>, <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardateerayear" title="CalendarDateEraYear ( calendar, date )"><span class="secnum">4.1.6</span> CalendarDateEraYear ( <var>calendar</var>, <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardatearithmeticyear" title="CalendarDateArithmeticYear ( calendar, date )"><span class="secnum">4.1.7</span> CalendarDateArithmeticYear ( <var>calendar</var>, <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardatearithmeticyearforerayear" title="CalendarDateArithmeticYearForEraYear ( calendar, era, eraYear )"><span class="secnum">4.1.8</span> CalendarDateArithmeticYearForEraYear ( <var>calendar</var>, <var>era</var>, <var>eraYear</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-calendar-date-records" title="Calendar Date Records"><span class="secnum">4.1.9</span> Calendar Date Records</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisodateadd" title="NonISODateAdd ( calendar, isoDate, duration, overflow )"><span class="secnum">4.1.10</span> NonISODateAdd ( <var>calendar</var>, <var>isoDate</var>, <var>duration</var>, <var>overflow</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisodateuntil" title="NonISODateUntil ( calendar, one, two, largestUnit )"><span class="secnum">4.1.11</span> NonISODateUntil ( <var>calendar</var>, <var>one</var>, <var>two</var>, <var>largestUnit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisocalendardatetoiso" title="NonISOCalendarDateToISO ( calendar, fields, overflow )"><span class="secnum">4.1.12</span> NonISOCalendarDateToISO ( <var>calendar</var>, <var>fields</var>, <var>overflow</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-calendarextrafields" title="CalendarExtraFields ( calendar, fields )"><span class="secnum">4.1.13</span> CalendarExtraFields ( <var>calendar</var>, <var>fields</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisofieldkeystoignore" title="NonISOFieldKeysToIgnore ( calendar, keys )"><span class="secnum">4.1.14</span> NonISOFieldKeysToIgnore ( <var>calendar</var>, <var>keys</var> )</a></li></ol></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-copyright-and-software-license" title="Copyright &amp; Software License">Copyright &amp; Software License</a></li></ol></div></div><div id="spec-container"><h1 class="version">Stage 2 Draft / July 29, 2025</h1><h1 class="title">Intl era and monthCode Proposal</h1>
</svg></div><div id="menu-spacer" class="menu-spacer"></div><div id="menu"><div id="menu-search"><input type="text" id="menu-search-box" placeholder="Search..."><div id="menu-search-results" class="inactive"></div></div><div id="menu-pins"><div class="menu-pane-header">Pins<button class="unpin-all">clear</button></div><ul id="menu-pins-list"></ul></div><div class="menu-pane-header">Table of Contents</div><div id="menu-toc"><ol class="toc"><li><span class="item-toggle">+</span><a href="#ecma402-locales-currencies-tz" title="Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars"><span class="secnum">1</span> Identification of Locales, Currencies, Time Zones, Measurement Units, Numbering Systems, Collations, and Calendars</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-ecma402-calendar-types" title="Calendar Types"><span class="secnum">1.1</span> Calendar Types</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sup-availablecalendars" title="AvailableCalendars ( )"><span class="secnum">1.1.1</span> AvailableCalendars ( )</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#locale-and-parameter-negotiation" title="Locale and Parameter Negotiation"><span class="secnum">2</span> Locale and Parameter Negotiation</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-internal-slots" title="Internal slots of Service Constructors"><span class="secnum">2.1</span> Internal slots of Service Constructors</a></li></ol></li><li><span class="item-toggle">+</span><a href="#ecma402-datetimeformat-objects" title="DateTimeFormat Objects"><span class="secnum">3</span> DateTimeFormat Objects</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-ecma402-intl-datetimeformat-constructor" title="The Intl.DateTimeFormat Constructor"><span class="secnum">3.1</span> The Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-createdatetimeformat" title="CreateDateTimeFormat ( newTarget, locales, options, required, defaults )"><span class="secnum">3.1.1</span> CreateDateTimeFormat ( <var>newTarget</var>, <var>locales</var>, <var>options</var>, <var>required</var>, <var>defaults</var> )</a></li></ol></li><li><span class="item-toggle">+</span><a href="#sec-ecma402-properties-of-intl-datetimeformat-constructor" title="Properties of the Intl.DateTimeFormat Constructor"><span class="secnum">3.2</span> Properties of the Intl.DateTimeFormat Constructor</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-ecma402-intl.datetimeformat-internal-slots" title="Internal slots"><span class="secnum">3.2.1</span> Internal slots</a></li></ol></li></ol></li><li><span class="item-toggle">+</span><a href="#ecma402-locale-sensitive-functions" title="Locale Sensitive Functions of the ECMAScript Language Specification"><span class="secnum">4</span> Locale Sensitive Functions of the ECMAScript Language Specification</a><ol class="toc"><li><span class="item-toggle">+</span><a href="#sec-calendar-abstract-ops" title="Abstract Operations for Calendar Calculations"><span class="secnum">4.1</span> Abstract Operations for Calendar Calculations</a><ol class="toc"><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendarsupportsera" title="CalendarSupportsEra ( calendar )"><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-canonicalizeeraincalendar" title="CanonicalizeEraInCalendar ( calendar, era )"><span class="secnum">4.1.2</span> CanonicalizeEraInCalendar ( <var>calendar</var>, <var>era</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-isvalidmonthcodeforcalendar" title="IsValidMonthCodeForCalendar ( calendar, monthCode )"><span class="secnum">4.1.3</span> IsValidMonthCodeForCalendar ( <var>calendar</var>, <var>monthCode</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-isvaliderayearforcalendar" title="IsValidEraYearForCalendar ( calendar, era, eraYear )"><span class="secnum">4.1.4</span> IsValidEraYearForCalendar ( <var>calendar</var>, <var>era</var>, <var>eraYear</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardateera" title="CalendarDateEra ( calendar, date )"><span class="secnum">4.1.5</span> CalendarDateEra ( <var>calendar</var>, <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardateerayear" title="CalendarDateEraYear ( calendar, date )"><span class="secnum">4.1.6</span> CalendarDateEraYear ( <var>calendar</var>, <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardatearithmeticyear" title="CalendarDateArithmeticYear ( calendar, date )"><span class="secnum">4.1.7</span> CalendarDateArithmeticYear ( <var>calendar</var>, <var>date</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-temporal-calendardatearithmeticyearforerayear" title="CalendarDateArithmeticYearForEraYear ( calendar, era, eraYear )"><span class="secnum">4.1.8</span> CalendarDateArithmeticYearForEraYear ( <var>calendar</var>, <var>era</var>, <var>eraYear</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-calendar-date-records" title="Calendar Date Records"><span class="secnum">4.1.9</span> Calendar Date Records</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisodateadd" title="NonISODateAdd ( calendar, isoDate, duration, overflow )"><span class="secnum">4.1.10</span> NonISODateAdd ( <var>calendar</var>, <var>isoDate</var>, <var>duration</var>, <var>overflow</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisodateuntil" title="NonISODateUntil ( calendar, one, two, largestUnit )"><span class="secnum">4.1.11</span> NonISODateUntil ( <var>calendar</var>, <var>one</var>, <var>two</var>, <var>largestUnit</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisocalendardatetoiso" title="NonISOCalendarDateToISO ( calendar, fields, overflow )"><span class="secnum">4.1.12</span> NonISOCalendarDateToISO ( <var>calendar</var>, <var>fields</var>, <var>overflow</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-calendarextrafields" title="CalendarExtraFields ( calendar, fields )"><span class="secnum">4.1.13</span> CalendarExtraFields ( <var>calendar</var>, <var>fields</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sup-temporal-nonisofieldkeystoignore" title="NonISOFieldKeysToIgnore ( calendar, keys )"><span class="secnum">4.1.14</span> NonISOFieldKeysToIgnore ( <var>calendar</var>, <var>keys</var> )</a></li></ol></li></ol></li><li><span class="item-toggle-none"></span><a href="#sec-copyright-and-software-license" title="Copyright &amp; Software License">Copyright &amp; Software License</a></li></ol></div></div><div id="spec-container"><h1 class="version">Stage 2 Draft / August 6, 2025</h1><h1 class="title">Intl era and monthCode Proposal</h1>


<emu-clause id="ecma402-locales-currencies-tz">
Expand Down Expand Up @@ -4219,7 +4219,7 @@ <h1><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var>
<tr>
<td><emu-val>"ethioaa"</emu-val></td>
<td><emu-val>"aa"</emu-val></td>
<td><emu-val>"mundi"</emu-val></td>
<td></td>
<td>-∞</td>
<td>+∞</td>
<td><emu-const>epoch</emu-const></td>
Expand All @@ -4228,7 +4228,7 @@ <h1><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var>
<tr>
<td><emu-val>"ethiopic"</emu-val></td>
<td><emu-val>"am"</emu-val></td>
<td><emu-val>"incar"</emu-val></td>
<td></td>
<td>1</td>
<td>+∞</td>
<td><emu-const>epoch</emu-const></td>
Expand Down Expand Up @@ -4408,7 +4408,7 @@ <h1><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var>
<tr>
<td><emu-val>"roc"</emu-val></td>
<td><emu-val>"roc"</emu-val></td>
<td><emu-val>"minguo"</emu-val></td>
<td></td>
<td>1</td>
<td>+∞</td>
<td><emu-const>epoch</emu-const></td>
Expand All @@ -4417,7 +4417,7 @@ <h1><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var>
<tr>
<td><emu-val>"roc"</emu-val></td>
<td><emu-val>"broc"</emu-val></td>
<td><emu-val>"before-roc"</emu-val>, <emu-val>"minguo-qian"</emu-val></td>
<td></td>
<td>1</td>
<td>+∞</td>
<td><emu-const>negative</emu-const></td>
Expand Down
8 changes: 4 additions & 4 deletions spec.emu
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Expand Up @@ -274,7 +274,7 @@ contributors: Google, Ecma International
<tr>
<td>*"ethioaa"*</td>
<td>*"aa"*</td>
<td>*"mundi"*</td>
<td></td>
<td>-∞</td>
<td>+∞</td>
<td>~epoch~</td>
Expand All @@ -283,7 +283,7 @@ contributors: Google, Ecma International
<tr>
<td>*"ethiopic"*</td>
<td>*"am"*</td>
<td>*"incar"*</td>
<td></td>
<td>1</td>
<td>+∞</td>
<td>~epoch~</td>
Expand Down Expand Up @@ -463,7 +463,7 @@ contributors: Google, Ecma International
<tr>
<td>*"roc"*</td>
<td>*"roc"*</td>
<td>*"minguo"*</td>
<td></td>
<td>1</td>
<td>+∞</td>
<td>~epoch~</td>
Expand All @@ -472,7 +472,7 @@ contributors: Google, Ecma International
<tr>
<td>*"roc"*</td>
<td>*"broc"*</td>
<td>*"before-roc"*, *"minguo-qian"*</td>
<td></td>
<td>1</td>
<td>+∞</td>
<td>~negative~</td>
Expand Down