diff -r 26ec0839865b -r 167567795f6c tests/test-topic-push-concurrent-on.t
--- a/tests/test-topic-push-concurrent-on.t	Sun Jul 02 17:28:15 2017 +0200
+++ b/tests/test-topic-push-concurrent-on.t	Sun Jul 02 17:28:38 2017 +0200
@@ -69,7 +69,7 @@
   pushing to $TESTTMP/main (glob)
   searching for changes
   abort: push creates new remote head 9fe81b7f425d!
-  (merge or see 'hg help push' for details about pushing new heads)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]
   $ hg outgoing -r 'desc(CB)' -G
   comparing with $TESTTMP/main (glob)
@@ -168,7 +168,7 @@
   pushing to $TESTTMP/main (glob)
   searching for changes
   abort: push creates new remote head 67f579af159d!
-  (merge or see 'hg help push' for details about pushing new heads)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]
   $ hg log -G
   @  5 default babar draft CD
@@ -211,7 +211,7 @@
   pushing to ssh://user@dummy/draft
   searching for changes
   abort: push creates new remote head 84eaf32db6c3!
-  (merge or see 'hg help push' for details about pushing new heads)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]
   $ hg log -G
   @  6 default celeste draft CE
@@ -254,7 +254,7 @@
   pushing to ssh://user@dummy/main
   searching for changes
   abort: push creates new remote head 67f579af159d!
-  (merge or see 'hg help push' for details about pushing new heads)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]
   $ hg log -G
   @  6 default celeste draft CE
@@ -295,7 +295,7 @@
   pushing to $TESTTMP/draft (glob)
   searching for changes
   abort: push creates new remote head f0bc62a661be on branch 'default:babar'!
-  (merge or see 'hg help push' for details about pushing new heads)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]
 
 Multiple head on a branch merged in a topic changesets
@@ -339,7 +339,7 @@
   pushing to $TESTTMP/draft (glob)
   searching for changes
   abort: push creates new remote head 4937c4cad39e!
-  (merge or see 'hg help push' for details about pushing new heads)
+  (merge or see "hg help push" for details about pushing new heads)
   [255]