Add support for `<include>` XML documentation tag#19186

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Copilot wants to merge 18 commits intomainfrom

copilot/add-include-xml-support

Commits on Jan 2, 2026

Apply patch from /run fantomas
actions-user
committed
Fix withXmlDoc to properly generate XML documentation files

Copilot
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T-Gro
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Add release notes and run formatting

Copilot
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T-Gro
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Switch expandIncludes to use GetXmlText() for proper XML structure

Copilot
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T-Gro
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Simplify expandIncludes to work directly with XML text

Copilot
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T-Gro
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Fix XML include tests - all 9 tests passing

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T-Gro
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Apply patch from /run ilverify
actions-user
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Refactor verifyXmlDocContains and verifyXmlDocNotContains to use helper function

Copilot
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T-Gro
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Optimize XML include expansion for efficiency

Copilot
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T-Gro
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Optimize expandIncludes to work with UnprocessedLines before GetXmlText()

Copilot
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T-Gro
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Refactor to use generic expansion driver and preserve line array structure

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T-Gro
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Commits on Jan 5, 2026