Add `Separator` property to `XmlTextAttribute` and `XmlAttributeAttribute` for configurable list serialization#126767

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Copilot wants to merge 11 commits intomainfrom

copilot/add-xmltextattribute-separator-property

Commits on Apr 10, 2026

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Copilot
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Add Separator property to XmlTextAttribute and XmlAttributeAttribute for configurable list serialization

Copilot
and
StephenMolloy
authored

Commits on May 1, 2026

Enhance separator validation for XmlText and XmlAttribute attributes; update error messages and add tests for invalid characters
StephenMolloy
committed
Refactor XML serialization to handle separators in string arrays and add tests for no-separator cases

StephenMolloy
and
Copilot
committed

Commits on May 2, 2026

Fix reflection writer no-separator regression and tighten separator tests

StephenMolloy
and
Copilot
committed

Commits on May 4, 2026

Commits on May 5, 2026

Commits on May 6, 2026

Refactor separator validation methods and update related error messages for XML text and attribute handling

StephenMolloy
and
Copilot
committed