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Merge pull request #21526 from spokodev/w33/pdfjs-encodexml-surrogate

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Do not drop the character after U+FFFE or U+FFFF in encodeToXmlString
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Tim van der Meij 2026-07-04 13:38:22 +02:00 committed by GitHub
commit 9c46f48f88
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2 changed files with 6 additions and 1 deletions
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2
src/core/core_utils.js
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@ -533,7 +533,7 @@ function encodeToXmlString(str) {
buffer.push(str.substring(start, i)); buffer.push(str.substring(start, i));
} }
buffer.push(`&#x${char.toString(16).toUpperCase()};`); buffer.push(`&#x${char.toString(16).toUpperCase()};`);
if (char > 0xd7ff && (char < 0xe000 || char > 0xfffd)) { if (char > 0xffff) {
// char is represented by two u16 // char is represented by two u16
i++; i++;
} }

5
test/unit/core_utils_spec.js
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@ -317,6 +317,11 @@ describe("core_utils", function () {
const str = "hello world"; const str = "hello world";
expect(encodeToXmlString(str)).toEqual(str); expect(encodeToXmlString(str)).toEqual(str);
}); });
it("should keep the character after U+FFFE or U+FFFF", function () {
expect(encodeToXmlString("￿A")).toEqual("&#xFFFF;A");
expect(encodeToXmlString("￾B")).toEqual("&#xFFFE;B");
});
}); });
describe("validateCSSFont", function () { describe("validateCSSFont", function () {