diff '--color=auto' -ur fossil-src-2.27.orig/test/json.test fossil-src-2.27/test/json.test
--- fossil-src-2.27.orig/test/json.test	2026-01-01 08:47:54.194346326 -0500
+++ fossil-src-2.27/test/json.test	2026-01-01 08:48:20.782629288 -0500
@@ -109,7 +109,7 @@
 User-Agent: Fossil-Test\r
 Cookie: $cookie\r
 Content-Type: application/json
-Content-Length $len
+Content-Length: $len
 \r
 $data}]
   } else {