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Add support for Unicode chars when detecting headings IDs #4086

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Nov 11, 2021
Merged

Add support for Unicode chars when detecting headings IDs #4086

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2 changes: 1 addition & 1 deletion beta/plugins/remark-header-custom-ids.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ module.exports = ({
visit(tree, 'heading', (node) => {
// Support custom-id syntax.
const rawHeader = toString(node);
const match = /^.+(\s*\{#([a-z0-9\-_]+?)\}\s*)$/.exec(rawHeader);
const match = /^.+(\s*\{#([\p{L}0-9\-_]+?)\}\s*)$/u.exec(rawHeader);
const id = match ? match[2] : slugs.slug(rawHeader, maintainCase);
if (match) {
// Remove the custom ID part from the text node.
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