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fix error when no values provided
Line 135: Line 135:  
   do
 
   do
 
     local field = mw.html.create("td")
 
     local field = mw.html.create("td")
     field:wikitext("[" .. url .. " " .. names[1] .. "]")
+
     field:wikitext("[" .. (url or '') .. " " .. (names[1] or '') .. "]")
    
     if #names > 1 then
 
     if #names > 1 then
Line 255: Line 255:  
     metadata:addClass("mod-metadata")
 
     metadata:addClass("mod-metadata")
 
     metadata:attr("style", "display: none;")
 
     metadata:attr("style", "display: none;")
     metadata:node(mw.html.create("div"):addClass("mod-anchor"):wikitext(names[1] and mw.uri.anchorEncode(names[1]) or nil))
+
     metadata:node(mw.html.create("div"):addClass("mod-anchor"):wikitext(names[1] and mw.uri.anchorEncode(names[1])))
 
     metadata:node(mw.html.create("div"):addClass("mod-id"):wikitext(table.concat(ids, ",")))
 
     metadata:node(mw.html.create("div"):addClass("mod-id"):wikitext(table.concat(ids, ",")))
 
     metadata:node(mw.html.create("div"):addClass("mod-url"):wikitext(url))
 
     metadata:node(mw.html.create("div"):addClass("mod-url"):wikitext(url))
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