Research / Rules / CORE-LINK-01
CORE-LINK-01
A link with an unsafe scheme was removed; its text was kept. This applies to WordPress, Substack, Beehiiv, X and LinkedIn, where the result is degraded.
Affects WordPress, Substack, Beehiiv, X and LinkedIn. Matches link_unsafe. Fixture markdown-portability-test-v1.
What happens, per destination
| Destination | Tested surface | Result | Severity | Confidence | Last tested |
|---|---|---|---|---|---|
| WordPress | WordPress.com desktop Block Editor | Degraded | Action | Verified | Tested 2026-08-24. |
| Substack | Substack web post editor | Degraded | Action | Verified | Tested 2026-08-24. |
| Beehiiv | Beehiiv web Visual Editor | Degraded | Action | Verified | Tested 2026-08-24. |
| X | X web post and thread composer | Degraded | Action | Verified | Tested 2026-08-24. |
| LinkedIn desktop web Create post composer | Degraded | Action | Verified | Tested 2026-08-24. |
Why, and what to do
Only http, https, and mailto targets are carried. A javascript:, data:, or protocol-relative target is never copied into a destination editor.
Do this: Replace it with an ordinary https link, or delete the text.
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 WordPress rules, and the WordPress test record.
- All Substack rules, and the Substack test record.
- All Beehiiv rules, and the Beehiiv test record.
- All X rules, and the X test record.
- All LinkedIn rules, and the LinkedIn test record.
- The full rule set, also available as rules.json.
- Check your own draft against all five