1 files changed, 1 insertions, 1 deletions
diff --git a/Source/cmDocumentationFormatter.h b/Source/cmDocumentationFormatter.h
index b44026a..0e50a15 100644
--- a/Source/cmDocumentationFormatter.h
+++ b/Source/cmDocumentationFormatter.h
@@ -36,7 +36,7 @@ public:
     CompatCommands, Copyright, Version };
 
   /** Forms of documentation output.  */
-  enum Form { TextForm, HTMLForm, ManForm, UsageForm };
+  enum Form { TextForm, HTMLForm, ManForm, UsageForm, DocbookForm };
 };
 
 class cmDocumentationSection;