diff -r 432f2155d106 -r 7915aef191ff hgext3rd/topic/stack.py
--- a/hgext3rd/topic/stack.py	Sat Mar 09 12:54:00 2019 +0800
+++ b/hgext3rd/topic/stack.py	Sat Mar 09 13:13:53 2019 +0800
@@ -219,7 +219,7 @@
     """ Takes a label prefix and a list of suffixes. Returns a string of the prefix
     formatted with each suffix separated with a space.
     """
-    return ' '.join(prefix % suffix for suffix in labelssuffix)
+    return ' '.join(prefix % suffix.replace(' ', '-') for suffix in labelssuffix)
 
 def showstack(ui, repo, branch=None, topic=None, opts=None):
     if opts is None:
@@ -336,6 +336,14 @@
             symbol = '$'
             states.append('orphan')
 
+        if ctx.contentdivergent():
+            symbol = '$'
+            states.append('content divergent')
+
+        if ctx.phasedivergent():
+            symbol = '$'
+            states.append('phase divergent')
+
         if not isentry:
             symbol = '^'
             # "base" is kind of a "ghost" entry