declare function simpleHelpers:get-font-size($node as node()) as xs:string {
(: example for style: "font-size:large; letter-spacing:0.2cm; text-decoration:underline" :)
let $tmp := substring-after($node/descendant-or-self::tei:seg[matches(@style, "font-size")]/@style, "font-size:")
return substring-before($tmp, ";")
let $tmp := substring-after($node/descendant-or-self::tei:seg[matches(@style, "font-size") and not(ancestor::tei:add[@place = "above"])]/@style, "font-size:")