Research / Rules / X-SPECIAL-01
X-SPECIAL-01
Math, Mermaid, Obsidian syntax, and raw HTML are resolved to readable text or a media task. This applies to X, where the result is manual step.
Affects X. Matches math_inline, math_block, mermaid, html_raw, obsidian_wikilink, obsidian_embed, obsidian_callout, obsidian_blockref. Fixture markdown-portability-test-v1.
What happens, per destination
| Destination | Tested surface | Result | Severity | Confidence | Last tested |
|---|---|---|---|---|---|
| X | X web post and thread composer | Manual step | Action | Verified | Tested 2026-08-24. |
Why, and what to do
The composer has no control for any of these and the focused test did not isolate each one.
Do this: Check each one reads correctly, or attach it as an image.
Limits of this rule
- It describes the surface and date in the table above, not every version, theme, or plugin.
- Reading it in isolation hides the other rules that touch the same draft.
- A rule is only as current as the test date beside it.
Related
- All X rules, and the X test record.
- The full rule set, also available as rules.json.
- Check your own draft against all five