Normative: Intl Era/Month Code stage 4

Author: ptomato

spec/annexes.html

@@ -181,6 +181,12 @@ <h1>Implementation Dependent Behaviour</h1>
         </li>
       </ul>
     </li>
+    <li>
+      In Temporal:
+      <ul>
+        <li>The calendrical calculations used for calendars other than *"iso8601"* (<emu-xref href="#sec-calendar-abstract-ops"></emu-xref>)</li>
+      </ul>
+    </li>
   </ul>
 </emu-annex>
 

spec/datetimeformat.html

@@ -74,6 +74,9 @@ <h1>
         1. Let _r_ be _optionsResolution_.[[ResolvedLocale]].
         1. Set _dateTimeFormat_.[[Locale]] to _r_.[[Locale]].
         1. Let _resolvedCalendar_ be _r_.[[ca]].
+        1. If _resolvedCalendar_ is *"islamic"*, then
+          1. Set _resolvedCalendar_ to *"islamic-tbla"*.
+          1. If the ECMAScript implementation has a mechanism for reporting diagnostic warning messages, a warning should be issued.
         1. Set _dateTimeFormat_.[[Calendar]] to _resolvedCalendar_.
         1. Set _dateTimeFormat_.[[NumberingSystem]] to _r_.[[nu]].
         1. Let _resolvedLocaleData_ be _r_.[[LocaleData]].
@@ -209,6 +212,10 @@ <h1>Internal slots</h1>
       <p>The value of the [[LocaleData]] internal slot is implementation-defined within the constraints described in <emu-xref href="#sec-internal-slots"></emu-xref> and the following additional constraints, for all locale values _locale_:</p>
 
       <ul>
+        <li>
+          [[LocaleData]].[[&lt;_locale_>]].[[ca]] must be a List consisting of calendar types.
+          It may include calendar types not listed in <emu-xref href="#table-calendar-types"></emu-xref>.
+        </li>
         <li>
           [[LocaleData]].[[&lt;_locale_>]].[[nu]] must be a List that does not include the values *"native"*, *"traditio"*, or *"finance"*.
         </li>