E597 docs: Update `no-irregular-whitespace` and fix examples (#17626) · eslint/eslint@392305b · GitHub
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docs: Update no-irregular-whitespace and fix examples (#17626)
Update `no-irregular-whitespace` docs
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‎docs/src/_data/further_reading_links.json‎

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"logo": "https://v8.dev/favicon.ico",
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"title": "RegExp v flag with set notation and properties of strings · V8",
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"description": "The new RegExp `v` flag enables `unicodeSets` mode, unlocking support for extended character classes, including Unicode properties of strings, set notation, and improved case-insensitive matching."
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},
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"https://codepoints.net/U+1680": {
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"domain": "codepoints.net",
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"url": "https://codepoints.net/U+1680",
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"logo": "https://codepoints.net/favicon.ico",
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"title": "U+1680 OGHAM SPACE MARK:   – Unicode – Codepoints",
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"description": " , codepoint U+1680 OGHAM SPACE MARK in Unicode, is located in the block “Ogham”. It belongs to the Ogham script and is a Space Separator."
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}
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}

‎docs/src/rules/no-irregular-whitespace.md‎

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further_reading:
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- https://es5.github.io/#x7.2
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- https://web.archive.org/web/20200414142829/http://timelessrepo.com/json-isnt-a-javascript-subset
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- https://codepoints.net/U+1680
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---
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Known issues these spaces cause:
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* Ogham Space Mark
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* Is a valid token separator, but is rendered as a visible glyph in most typefaces, which may be misleading in source code.
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* Mongolian Vowel Separator
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* Is no longer considered a space separator since Unicode 6.3. It will result in a syntax error in current parsers when used in place of a regular token separator.
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* Line Separator and Paragraph Separator
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* These have always been valid whitespace characters and line terminators, but were considered illegal in string literals prior to ECMAScript 2019.
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* Zero Width Space
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* Is NOT considered a separator for tokens and is often parsed as an `Unexpected token ILLEGAL`
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* Is NOT shown in modern browsers making code repository software expected to resolve the visualization
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* Line Separator
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* Is NOT a valid character within JSON which would cause parse errors
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* Is NOT considered a separator for tokens and is often parsed as an `Unexpected token ILLEGAL`.
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* Is NOT shown in modern browsers making code repository software expected to resolve the visualization.
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In JSON, none of the characters listed as irregular whitespace by this rule may appear outside of a string.
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## Rule Details
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return 'test';
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}
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var thing = function᠎/*<MVS>*/(){
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var thing = function /*<Ogham Space Mark>*/(){
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return 'test';
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}
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/*eslint-env es6*/
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function Thing() {
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return <div>text in <NBSP>JSX</div>;
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return <div>text in JSX</div>; // <NBSP> before `JSX`
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}
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```
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