http://sourceforge.net/mailarchive/message.php?msg_id=7380111

--- btmgr-3.7-1/./manager/helptool.h~	2000-09-02 18:21:51.000000000 +0300
+++ btmgr-3.7-1/./manager/helptool.h	2011-07-20 14:09:24.750719959 +0300
@@ -623,7 +623,8 @@
 
 %macro endblock 0-1
 	%ifctx orblock
-		cat_jmp %$ifnot,__level__
+;       cat_jmp %$ifnot,__level__    ; as it was
+        jmp %$$ifnot       ; this does - 0.98 or 0.98.35
 		%$iftrue:
 	%elifctx andblock
 	%else