- How does this differ from Markdown strikethrough?
- Markdown `~~text~~` only works where Markdown is rendered. Unicode strikethrough uses combining-mark characters that work in any UTF-8 field — Twitter bios, Slack, email subjects.
- Which combining mark does it use?
- U+0336 (combining long stroke overlay). It renders as a horizontal line through each preceding character. Consistent across most fonts.
- Will copy/paste preserve the strikethrough?
- Yes — it's part of the character stream. Pasting into another unicode-aware app keeps the marks intact.
- What about reverting back?
- Strip the U+0336 characters — use the Clipboard Cleaner tool with 'strip combining marks' enabled.