Because [1] works but [2] does not.
[1]: https://groups.google.com/a/opencontainers.org/forum/#!search/messageid$3A%22CAD2oYtN-9yLLhG_STO3F1h58Bn5QovK$2Bu3wOBa$3Dt$2B7TQi-hP1Q@mail.gmail.com%22
[2]: https://groups.google.com/a/opencontainers.org/forum/#!search/messageid$3ACAD2oYtN-9yLLhG_STO3F1h58Bn5QovK$2Bu3wOBa$3Dt$2B7TQi-hP1Q@mail.gmail.com
"meta": {
"title": "OCI Discussion",
"blurb": "Tracking OCI discussion with <a href=\"https://notmuchmail.org/nmbug/\">nmbug</a>. For more information on OCI spec discussion, see <a href=\"https://github.com/opencontainers/specs#contributing\">opencontainers/specs</a>.",
- "message-url": "https://groups.google.com/a/opencontainers.org/forum/#!search/messageid$3A{message-id}"
+ "message-url": "https://groups.google.com/a/opencontainers.org/forum/#!search/messageid$3A%22{message-id}%22"
},
"views": [
{