transform work titles with a combination of TEI and MEI templates

error message in the logs was: „net.sf.saxon.trans.XPathException: The
source document is in namespace http://www.music-encoding.org/ns/mei,
but none of the template rules match elements in this namespace“

modules/wdt.xqm

@@ -387,7 +387,7 @@ declare function wdt:works($item as item()*) as map(*) {
             }, ())
         },
         (: Sollte beim Titel noch der Komponist etc. angegeben werden? :)
-        'title' := function($serialization as xs:string) as item()? {
+        'title' := function($serialization as xs:string) as item()* {
             let $mei := 
                 typeswitch($item)
                 case xs:string return core:doc($item)/mei:mei
@@ -398,7 +398,7 @@ declare function wdt:works($item as item()*) as map(*) {
             return
                 switch($serialization)
                 case 'txt' return str:normalize-space(replace(string-join(str:txtFromTEI($title-element, config:guess-language(())), ''), '\s*\n+\s*(\S+)', '. $1'))
-                case 'html' return wega-util:transform($title-element, doc(concat($config:xsl-collection-path, '/common_main.xsl')), config:get-xsl-params(())) 
+                case 'html' return wega-util:transform($title-element, doc(concat($config:xsl-collection-path, '/works.xsl')), config:get-xsl-params(())) 
                 default return core:logToFile('error', 'wdt:works()("title"): unsupported serialization "' || $serialization || '"')
         },
         'label-facets' := function() as xs:string? {

xsl/works.xsl

@@ -16,4 +16,8 @@
         </xsl:element>
     </xsl:template>
 
+    <xsl:template match="mei:lb">
+        <xsl:element name="br"/>
+    </xsl:template>
+
 </xsl:stylesheet>