diff -r 58b225aa4298 -r a7fb433faab6 tests/test-evolve-obshistory-fold.t
--- a/tests/test-evolve-obshistory-fold.t	Sat Feb 29 15:17:13 2020 +0700
+++ b/tests/test-evolve-obshistory-fold.t	Sat Feb 29 15:17:31 2020 +0700
@@ -50,13 +50,13 @@
   | x  changeset:   2:0dec01379d3b
   | |  user:        test
   | |  date:        Thu Jan 01 00:00:00 1970 +0000
-  | |  obsolete:    folded using fold as 3:eb5a0daa2192
+  | |  obsolete:    rewritten using fold as 3:eb5a0daa2192
   | |  summary:     B0
   | |
   | x  changeset:   1:471f378eab4c
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
-  |    obsolete:    folded using fold as 3:eb5a0daa2192
+  |    obsolete:    rewritten using fold as 3:eb5a0daa2192
   |    summary:     A0
   |
   o  changeset:   0:ea207398892e
@@ -73,7 +73,7 @@
 the revision with the target
   $ hg obslog --hidden 471f378eab4c --patch
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -93,11 +93,11 @@
   @    eb5a0daa2192 (3) C0
   |\
   x |  0dec01379d3b (2) B0
-   /     folded(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+   /     rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
   |        (No patch available, changesets rebased)
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -116,7 +116,7 @@
 the revision with the target
   $ hg obslog --hidden 0dec01379d3b --patch
   x  0dec01379d3b (2) B0
-       folded(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          (No patch available, changesets rebased)
   
 Check that with all option, all changesets are shown
@@ -124,11 +124,11 @@
   @    eb5a0daa2192 (3) C0
   |\
   x |  0dec01379d3b (2) B0
-   /     folded(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+   /     rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
   |        (No patch available, changesets rebased)
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -149,11 +149,11 @@
   @    eb5a0daa2192 (3) C0
   |\
   x |  0dec01379d3b (2) B0
-   /     folded(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+   /     rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
   |        (No patch available, changesets rebased)
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -191,7 +191,7 @@
                       "eb5a0daa21923bbf8caeb2c42085b9e463861fd0"
                   ],
                   "user": "test",
-                  "verb": "folded"
+                  "verb": "rewritten"
               }
           ],
           "node": "471f378eab4c5e25f6c77f785b27c936efb22874",
@@ -214,7 +214,7 @@
                       "eb5a0daa21923bbf8caeb2c42085b9e463861fd0"
                   ],
                   "user": "test",
-                  "verb": "folded"
+                  "verb": "rewritten"
               }
           ],
           "node": "0dec01379d3be6318c470ead31b1fe7ae7cb53d5",
@@ -249,11 +249,11 @@
   o    eb5a0daa2192 (2) C0
   |\
   x |  0dec01379d3b
-   /     folded(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+   /     rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
   |        (No patch available, context is not local)
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -272,7 +272,7 @@
   o  eb5a0daa2192 (2) C0
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (at Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (at Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -292,11 +292,11 @@
   o    eb5a0daa2192 (2) C0
   |\
   x |  0dec01379d3b
-   /     folded(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+   /     rewritten(description, parent, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
   |        (No patch available, context is not local)
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description
@@ -315,7 +315,7 @@
   o  eb5a0daa2192 (2) C0
   |
   x  471f378eab4c (1) A0
-       folded(description, content) as eb5a0daa2192 using fold by test (at Thu Jan 01 00:00:00 1970 +0000)
+       rewritten(description, content) as eb5a0daa2192 using fold by test (at Thu Jan 01 00:00:00 1970 +0000)
          diff -r 471f378eab4c -r eb5a0daa2192 changeset-description
          --- a/changeset-description
          +++ b/changeset-description