Index: BookName.java
===================================================================
--- BookName.java	(revision 2173)
+++ BookName.java	(working copy)
@@ -166,7 +166,7 @@
         }
 
         // or a short version
-        if (normalizedShortName.startsWith(normalizedName) || normalizedName.startsWith(normalizedShortName)) {
+        if (normalizedShortName.startsWith(normalizedName) || (normalizedShortName.length()>0 && normalizedName.startsWith(normalizedShortName))) {
             return true;
         }