Martín Lucas Golini ec7c3c45dd Add document-level text selection to HTML and Markdown views ...

Introduce UITextSelectionController to coordinate selection across independent
RichText owners while retaining RichText hit testing and painting. Support
forward and reverse dragging, nested content, gap hit testing, autoscroll,
plain-text copy, select-all, and context menus.

Enable UIRichText and UITextSpan selection by default. Add CSS user-select
semantics and the -webkit-user-select alias, while preserving the separate
text-selection capability flag.

Clear selection safely when owners or documents are destroyed, suppress link
activation after a selection drag, and add regression tests, documentation,
and an updated rich-text example.

2026-09-26 22:11:32 -03:00

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Add document-level text selection to HTML and Markdown views

2026-09-26 22:11:32 -03:00