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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
d96f092
Update spec.emu
sffc Oct 9, 2025
5e2bc5e
fixup: [spec] `npm run build`
sffc Oct 9, 2025
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52 changes: 13 additions & 39 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -871,7 +871,7 @@
this.$pane.appendChild(this.$tableContainer);

if (menu != null) {
menu.$specContainer.after(this.$container);
menu.$specContainer.appendChild(this.$container);
}
},

Expand Down Expand Up @@ -1203,9 +1203,6 @@
document.documentElement.classList.toggle('show-ao-annotations');
} else if (e.key === '?') {
document.getElementById('shortcuts-help').classList.toggle('active');
} else if (e.key === ';') {
let el = document.getElementById('bd75b99add5f');
if (el != null) el.remove();
}
}

Expand Down Expand Up @@ -2253,7 +2250,7 @@
}

emu-nt {
display: inline-block;
display: inline;
font-style: italic;
white-space: nowrap;
text-indent: 0;
Expand Down Expand Up @@ -2593,7 +2590,7 @@
}

emu-table td {
background: transparent;
background: var(--background-color);
}

td[colspan]:not([colspan="1"]), th[colspan]:not([colspan="1"]) {
Expand Down Expand Up @@ -2700,7 +2697,7 @@
height: 100vh;
max-width: 500px;
box-sizing: border-box;
background: var(--control-background-color);
background-color: var(--control-background-color);
overflow: hidden;
transition: opacity 0.1s linear;
padding: 0 5px;
Expand Down Expand Up @@ -3141,7 +3138,7 @@

.toolbox::after {
border-color: var(--toolbox-tail-background-outside-color);
border-top-color: var(--control-border-color);
border-top-color: var(--control-background-color);
border-width: 10px;
margin-left: -10px;
}
Expand All @@ -3158,7 +3155,7 @@
left: 0;
right: 0;
display: none;
background: var(--control-background-color);
background-color: var(--control-background-color);
z-index: 1;
}

Expand Down Expand Up @@ -3199,17 +3196,6 @@
padding-right: 5px;
}

emu-normative-optional {
display: block;
}

emu-normative-optional::before {
display: block;
color: var(--attributes-tag-foreground-color);
content: "NORMATIVE OPTIONAL";
}

emu-normative-optional,
[normative-optional],
[deprecated],
[legacy] {
Expand Down Expand Up @@ -3242,7 +3228,7 @@
outline: solid 10000px var(--control-dialog-fade-color);
border-radius: 5px;
border-width: 1px 1px 0 1px;
background: var(--control-background-color);
background-color: var(--control-background-color);
display: none;
}

Expand Down Expand Up @@ -3548,18 +3534,6 @@
break-after: initial; /* it's okay to break after the last item in a list, even if it's also the first item in the list */
}

emu-normative-optional {
break-inside: avoid;
}

emu-normative-optional emu-clause[id] {
margin-top: 0;
}

emu-normative-optional emu-alg > ol {
margin-bottom: 0;
}

emu-note {
gap: initial;
justify-content: space-between;
Expand Down Expand Up @@ -3991,7 +3965,7 @@
</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 / October 9, 2025</h1><h1 class="title">Intl era and monthCode Proposal</h1>


<emu-clause id="ecma402-locales-currencies-tz">
Expand Down Expand Up @@ -4219,7 +4193,7 @@ <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 +4202,7 @@ <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 All @@ -4237,7 +4211,7 @@ <h1><span class="secnum">4.1.1</span> CalendarSupportsEra ( <var>calendar</var>
<tr>
<td><emu-val>"ethiopic"</emu-val></td>
<td><emu-val>"aa"</emu-val></td>
<td><emu-val>"mundi"</emu-val></td>
<td></td>
<td>-∞</td>
<td>5500</td>
<td> <emu-const>offset</emu-const></td>
Expand Down Expand Up @@ -4408,7 +4382,7 @@ <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 +4391,7 @@ <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
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