mercurial/templates/json/map

--- a/mercurial/templates/json/map	Sun Mar 18 21:35:43 2018 +0900
+++ b/mercurial/templates/json/map	Sun Mar 18 21:46:20 2018 +0900
@@ -142,7 +142,7 @@
   "author": {author|utf8|json},
   "parents": [{join(parent%changesetparent, ", ")}],
   "children": [{join(child%changesetparent, ", ")}],
-  "diff": [{join(diff%diffblock, ", ")}]
+  "diff": [{join(diff, ", ")}]
   }'
 diffblock = '\{
   "blockno": {blockno|json},