Introduce new extended attribute grammars · whatwg/webidl@ef2df44

Recent Commits to webidl:main

Editorial: update PropertyDescriptor [[Get]]/[[Set]] to [[Getter]]/[[… · whatwg/webidl@fad9b4c Editorial: use CreateBuiltinFunction for more built-in function objects · whatwg/webidl@9769865 Editorial: use CreateBuiltinFunction for (async) iterator return and … · whatwg/webidl@29fb50e Update DOMException language to reflect standardized stack accessor Editorial: note that Promise<T> arguments also accept T · whatwg/webidl@e1300e9 Review Draft Publication: March 2026 · whatwg/webidl@a652053 Meta: update repository files · whatwg/webidl@9db3040 Meta: update repository files · whatwg/webidl@9f8514a Meta: add two missing <tr> tags · whatwg/webidl@a6602fd Create an operation does not care about [LegacyLenientThis] · whatwg/webidl@4c55acb Add missing arguments for CreateBuiltinFunction · whatwg/webidl@fb0c9c9 Meta: export async_iterable · whatwg/webidl@25875a8 Review Draft Publication: September 2025 · whatwg/webidl@a79e69e Replace IsResizableArrayBuffer with IsFixedLengthArrayBuffer · whatwg/webidl@abc4414 Meta: link to Korean translations · whatwg/webidl@278f0bd Upgrade QuotaExceededError to a DOMException derived interface Remove `async` as a keyword Do not throw if the attribute setter is called with no arguments · whatwg/webidl@909c3fe Change async_iterable<> type to async_sequence<> and async iterable<>…

lukewarlow · 2025-07-30 · via Recent Commits to webidl:main

Original file line number	Diff line number	Diff line change
`@@ -6851,7 +6851,7 @@ grammar symbol matches nearly any sequence of tokens, however the`
`6851`	`6851`	`defined in this document only accept a more restricted syntax.`
`6852`	`6852`	`Any extended attribute encountered in an`
`6853`	`6853`	`[=IDL fragment=] is`
`6854`		`-matched against the following five grammar symbols to determine`
	`6854`	`+matched against the following grammar symbols to determine`
`6855`	`6855`	`which form (or forms) it is in:`
`6856`	`6856`
`6857`	`6857`	`<table class="vert data">`
`@@ -6904,6 +6904,50 @@ which form (or forms) it is in:`
`6904`	`6904`	`<code>[PutForwards=name]</code>`
`6905`	`6905`	`</td>`
`6906`	`6906`	`</tr>`
	`6907`	`+ <tr>`
	`6908`	`+ <td>`
	`6909`	`+ <emu-nt><a href="#prod-ExtendedAttributeString">ExtendedAttributeString</a></emu-nt>`
	`6910`	`+ </td>`
	`6911`	`+ <td>`
	`6912`	`+ <dfn id="dfn-xattr-string" for="extended attribute" export>takes a string</dfn>`
	`6913`	`+ </td>`
	`6914`	`+ <td>`
	`6915`	`+ <code>[Reflect="popover"]</code>`
	`6916`	`+ </td>`
	`6917`	`+ </tr>`
	`6918`	`+ <tr>`
	`6919`	`+ <td>`
	`6920`	`+ <emu-nt><a href="#prod-ExtendedAttributeInteger">ExtendedAttributeInteger</a></emu-nt>`
	`6921`	`+ </td>`
	`6922`	`+ <td>`
	`6923`	`+ <dfn id="dfn-xattr-integer" for="extended attribute" export>takes an integer</dfn>`
	`6924`	`+ </td>`
	`6925`	`+ <td>`
	`6926`	`+ <code>[ReflectDefault=2]</code>`
	`6927`	`+ </td>`
	`6928`	`+ </tr>`
	`6929`	`+ <tr>`
	`6930`	`+ <td>`
	`6931`	`+ <emu-nt><a href="#prod-ExtendedAttributeDecimal">ExtendedAttributeDecimal</a></emu-nt>`
	`6932`	`+ </td>`
	`6933`	`+ <td>`
	`6934`	`+ <dfn id="dfn-xattr-decimal" for="extended attribute" export>takes a decimal</dfn>`
	`6935`	`+ </td>`
	`6936`	`+ <td>`
	`6937`	`+ <code>[ReflectDefault=2.0]</code>`
	`6938`	`+ </td>`
	`6939`	`+ </tr>`
	`6940`	`+ <tr>`
	`6941`	`+ <td>`
	`6942`	`+ <emu-nt><a href="#prod-ExtendedAttributeIntegerList">ExtendedAttributeIntegerList</a></emu-nt>`
	`6943`	`+ </td>`
	`6944`	`+ <td>`
	`6945`	`+ <dfn id="dfn-xattr-integer-list" for="extended attribute" export>takes an integer list</dfn>`
	`6946`	`+ </td>`
	`6947`	`+ <td>`
	`6948`	`+ <code>[ReflectRange=(2, 600)]</code>`
	`6949`	`+ </td>`
	`6950`	`+ </tr>`
`6907`	`6951`	`<tr>`
`6908`	`6952`	`<td>`
`6909`	`6953`	`<emu-nt><a href="#prod-ExtendedAttributeIdentList">ExtendedAttributeIdentList</a></emu-nt>`
`@@ -7037,6 +7081,17 @@ five forms are allowed.`
`7037`	`7081`	`ε`
`7038`	`7082`	`</pre>`
`7039`	`7083`
	`7084`	`+<pre class="grammar" id="prod-IntegerList">`
	`7085`	`+ IntegerList :`
	`7086`	`+ integer Integers`
	`7087`	`+</pre>`
	`7088`	`+`
	`7089`	`+<pre class="grammar" id="prod-Integers">`
	`7090`	`+ Integers :`
	`7091`	`+ "," integer Integers`
	`7092`	`+ ε`
	`7093`	`+</pre>`
	`7094`	`+`
`7040`	`7095`	`<pre class="grammar" id="prod-ExtendedAttributeNoArgs">`
`7041`	`7096`	`ExtendedAttributeNoArgs :`
`7042`	`7097`	`identifier`
`@@ -7052,6 +7107,21 @@ five forms are allowed.`
`7052`	`7107`	`identifier "=" identifier`
`7053`	`7108`	`</pre>`
`7054`	`7109`
	`7110`	`+<pre class="grammar" id="prod-ExtendedAttributeString">`
	`7111`	`+ ExtendedAttributeString :`
	`7112`	`+ identifier "=" string`
	`7113`	`+</pre>`
	`7114`	`+`
	`7115`	`+<pre class="grammar" id="prod-ExtendedAttributeInteger">`
	`7116`	`+ ExtendedAttributeInteger :`
	`7117`	`+ identifier "=" integer`
	`7118`	`+</pre>`
	`7119`	`+`
	`7120`	`+<pre class="grammar" id="prod-ExtendedAttributeDecimal">`
	`7121`	`+ ExtendedAttributeDecimal :`
	`7122`	`+ identifier "=" decimal`
	`7123`	`+</pre>`
	`7124`	`+`
`7055`	`7125`	`<pre class="grammar" id="prod-ExtendedAttributeWildcard">`
`7056`	`7126`	`ExtendedAttributeWildcard :`
`7057`	`7127`	`identifier "=" "*"`
`@@ -7062,6 +7132,11 @@ five forms are allowed.`
`7062`	`7132`	`identifier "=" "(" IdentifierList ")"`
`7063`	`7133`	`</pre>`
`7064`	`7134`
	`7135`	`+<pre class="grammar" id="prod-ExtendedAttributeIntegerList">`
	`7136`	`+ ExtendedAttributeIntegerList :`
	`7137`	`+ identifier "=" "(" IntegerList ")"`
	`7138`	`+</pre>`
	`7139`	`+`
`7065`	`7140`	`<pre class="grammar" id="prod-ExtendedAttributeNamedArgList">`
`7066`	`7141`	`ExtendedAttributeNamedArgList :`
`7067`	`7142`	`identifier "=" identifier "(" ArgumentList ")"`

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