--- a/HTMLDocGenerator.st	Wed Jan 25 17:16:53 2017 +0000
+++ b/HTMLDocGenerator.st	Wed Feb 01 11:29:19 2017 +0000
@@ -2787,7 +2787,7 @@
         ch := manPageStream next.
             
         ch notNil ifTrue:[
-            state == nil ifTrue:[
+            state isNil ifTrue:[
                 ch == Character backspace ifTrue:[
                     state := #back
                 ] ifFalse:[