Build Anonymous Name

xquery version "3.0";
declare namespace tei = "http://www.tei-c.org/ns/1.0";

let $list := ("http://syriaca.org/person/1210", "http://syriaca.org/person/1211")

for $uri in $list

return
    for $person in fn:doc('/db/apps/srophe-data/data/persons/tei/saints/tei/1210.xml')//tei:person[tei:idno/text()[.=$uri]]
    let $name := $person/tei:persName[@xml:lang="en"][contains(@syriaca-tags,"#syriaca-headword")]
    let $bibl := $person/tei:bibl[1]
    let $newName :=
        <persName xmlns="http://www.tei-c.org/ns/1.0" xml:id="{concat('name',substring-after($uri,'/person/'),'-a')}" 
        xml:lang="en" syriaca-tags="#syriaca-headword">Anonymi {substring-after($uri,'/person/')}</persName>
    let $newbio :=
        <state type="group" source="#bib{substring-after($uri,'/person/')}-1"/>
    let $newtrait :=
        <trait xml:lang="en"><label>anonymous</label></trait> 
        
    return 
        (
        update value $name/@syriaca-tags with '#anonymous-description',
        update insert $newName preceding $name,
        update insert $newbio preceding $bibl,
        update insert $newtrait preceding $bibl
        )
    

@wsalesky, it wanted /text() after all, not sure why, but that made it work