RichTextEdit: A fully editable rich text control with:

• Inline formatting toggles: bold, italic, underline, strikethrough
• Headings, bullet lists, numbered lists (via API)
• Table support: insert, add/remove rows and columns
• Keyboard shortcuts (Ctrl+B/I/U, Ctrl+Z/Y, etc.)
• Mouse selection, double-click word select, triple-click line select, drag select
• Rich clipboard (copy/paste preserves formatting)
• Undo/redo
• Caret blinking, zoom, word wrap, horizontal and vertical scrolling

RichTextView: A read-only rich text display control with:

• Optional text selection and copy
• Clickable links and images (via signals)
• Zoom, word wrap, vertical scrolling

Both controls accept content as plain text, HTML, or Markdown, and render block-level elements including headings, lists, blockquotes, code blocks, tables, inline code, and horizontal rules.