CVS commit by coolo: 

avoid error message whent the stylesheet gives empty output


  M +2 -0      xslt.cpp   1.69


--- kdelibs/kdoctools/xslt.cpp  #1.68:1.69
@@ -90,4 +90,6 @@ QString transform( const QString &pat, c
     xsltFreeStylesheet(style_sheet);
 
+    if (parsed.isEmpty())
+        parsed = " "; // avoid error message
     return parsed;
 }