Improve stability of XML entity conversion

Change-Id: I341b76b9d898acd59cae0379aa5cc4a5bbbe81e8
diff --git a/script/tei2korapxml b/script/tei2korapxml
index 4090753..63ea525 100755
--- a/script/tei2korapxml
+++ b/script/tei2korapxml
@@ -24,7 +24,7 @@
 use KorAP::XML::TEI::Header;
 use KorAP::XML::TEI::Inline;
 
-our $VERSION = '2.3.3';
+our $VERSION = '2.3.4';
 
 our $VERSION_MSG = "\ntei2korapxml - v$VERSION\n";