concat operator surrounded by whitespaces

modules/fontane/register.xqm

@@ -250,18 +250,18 @@ as element(xhtml:li) {
 declare function f-register:register()
 as element(xhtml:div) {
 let $agg := '253st.xml' (: TextGrid Aggregation containing all index files :)
-let $uris := doc('/db/sade-projects/textgrid/data/xml/agg/'||$agg)//ore:aggregates/substring-after(@rdf:resource, 'textgrid:')
+let $uris := doc('/db/sade-projects/textgrid/data/xml/agg/' || $agg)//ore:aggregates/substring-after(@rdf:resource, 'textgrid:')
 let $meta := for $uri in $uris
-                    where doc-available( '/db/sade-projects/textgrid/data/xml/data/' || $uri ||'.xml')
+                    where doc-available( '/db/sade-projects/textgrid/data/xml/data/' || $uri || '.xml')
                     return
-                        doc('/db/sade-projects/textgrid/data/xml/meta/'||$uri||'.xml')
-let $docs := $meta//tgmd:textgridUri/tokenize(., ':|\.')[2] ! doc('/db/sade-projects/textgrid/data/xml/data/' || . ||'.xml')
+                        doc('/db/sade-projects/textgrid/data/xml/meta/' || $uri || '.xml')
+let $docs := $meta//tgmd:textgridUri/tokenize(., ':|\.')[2] ! doc('/db/sade-projects/textgrid/data/xml/data/' || . || '.xml')
 
 let $tabs :=
     <ul class="nav nav-tabs" style="font-size: smaller;">
         {for $i at $pos in $meta
         let $uri := $i//tgmd:textgridUri/tokenize(., ':|\.')[2]
-        let $doc := doc('/db/sade-projects/textgrid/data/xml/data/' || $uri ||'.xml')
+        let $doc := doc('/db/sade-projects/textgrid/data/xml/data/' || $uri || '.xml')
         where not(matches($uri,"25547|253t3"))
         return
             <li>