A renderer invoked to produce markup for the current visible slice of the line.
public delegate string TerminalReadLineMarkupRenderer(ReadOnlySpan<char> text, int cursorIndex, int viewStart, int viewLength, int selectionStart, int selectionLength);
The returned string is interpreted as XenoAtom markup and rendered to ANSI. If the returned markup includes user input, callers should escape it via Escape(ReadOnlySpan<Char>).
kind:method, kind:property, kind:ctor. Press Esc to clear.