error[preamble-discussions-to]: preamble header `discussions-to` is not a valid URL
 --> input.md:6:16
  |
6 | discussions-to: not a website dot com
  |                ^^^^^^^^^^^^^^^^^^^^^^ relative URL without a base
  |
error[preamble-re-discussions-to]: preamble header `discussions-to` should point to a thread on forum.telcoin.org
 --> input.md:6:16
  |
6 | discussions-to: not a website dot com
  |                ^^^^^^^^^^^^^^^^^^^^^^ required pattern was not matched
  |
  = info: the pattern in question: `^https://forum.telcoin.org/t/[^/]+/[0-9]+$`