--- a/tests/test-topic-stack.t	Thu Dec 21 06:12:02 2017 +0100
+++ b/tests/test-topic-stack.t	Fri Jan 05 09:23:09 2018 +0100
@@ -265,9 +265,9 @@
   $ hg log -G
   @  6 default {foo} draft c_d
   |
-  | o  5 default {foo} draft c_f
+  | *  5 default {foo} draft c_f
   | |
-  | o  4 default {foo} draft c_e
+  | *  4 default {foo} draft c_e
   | |
   | x  3 default {foo} draft c_d
   |/
@@ -406,9 +406,9 @@
   |
   @  11 default {foo} draft c_D
   |
-  | o  8 default {foo} draft c_f
+  | *  8 default {foo} draft c_f
   | |
-  | o  7 default {foo} draft c_e
+  | *  7 default {foo} draft c_e
   | |
   | x  6 default {foo} draft c_d
   |/
@@ -449,9 +449,9 @@
   |
   @  11 default {foo} draft c_D
   |
-  | o  8 default {foo} draft c_f
+  | *  8 default {foo} draft c_f
   | |
-  | o  7 default {foo} draft c_e
+  | *  7 default {foo} draft c_e
   | |
   | x  6 default {foo} draft c_d
   |/
@@ -490,15 +490,15 @@
   $ hg log -G
   @  17 default {foobar} draft c_D
   |
-  | o  16 default {foobar} draft c_e
+  | *  16 default {foobar} draft c_e
   | |
-  | | o  15 default {foo} draft c_f
+  | | *  15 default {foo} draft c_f
   | | |
   | | x  14 default {foo} draft c_e
   | |/
-  | o  13 default {foo} draft c_h
+  | *  13 default {foo} draft c_h
   | |
-  | o  12 default {foo} draft c_g
+  | *  12 default {foo} draft c_g
   | |
   | x  11 default {foo} draft c_D
   |/
@@ -673,21 +673,21 @@
   $ hg log -G --rev 'sort(all(), "topo")'
   @  11 default {blue} draft c_D
   |
-  | o  8 default {blue} draft c_I
+  | *  8 default {blue} draft c_I
   | |
-  | o    7 default {red} draft c_H
+  | *    7 default {red} draft c_H
   | |\
-  | | o  6 default {blue} draft c_G
+  | | *  6 default {blue} draft c_G
   | | |
-  | | o  5 default {red} draft c_F
+  | | *  5 default {red} draft c_F
   | | |
-  | | o  4 default {red} draft c_E
+  | | *  4 default {red} draft c_E
   | | |
   | x |  3 default {blue} draft c_D
   |/ /
   x /  2 default {red} draft c_C
   |/
-  | o  10 default {red} draft c_C
+  | *  10 default {red} draft c_C
   |/
   x  1 default {red} draft c_B
   |
@@ -743,25 +743,25 @@
   $ hg log -G --rev 'sort(all(), "topo")'
   @  16 default {blue} draft c_D
   |
-  | o  13 default {blue} draft c_G
+  | *  13 default {blue} draft c_G
   | |
-  | | o    12 default {red} draft c_H
+  | | *    12 default {red} draft c_H
   | | |\
-  | | | | o  8 default {blue} draft c_I
+  | | | | *  8 default {blue} draft c_I
   | | | | |
   | | +---x  7 default {red} draft c_H
   | | | |/
   | +---x  6 default {blue} draft c_G
   | | |
-  | o |  5 default {red} draft c_F
+  | * |  5 default {red} draft c_F
   | | |
-  | o |  4 default {red} draft c_E
+  | * |  4 default {red} draft c_E
   | | |
   +---x  3 default {blue} draft c_D
   | |
   x |  2 default {red} draft c_C
   |/
-  | o  15 default {red} draft c_C
+  | *  15 default {red} draft c_C
   |/
   x  1 default {red} draft c_B
   |