medieval runes
... that instead of discarding runes in favour of the Latin alphabet, the Scandinavians developed the extended medieval runes?
... that instead of discarding <a class="mw-redirect" href="./Rune" id="mwDdM" rel="mw:WikiLink" title="Rune">runes</a> in favour of the <a href="./Latin_alphabet" id="mwDdQ" rel="mw:WikiLink" title="Latin alphabet">Latin alphabet</a>, the <a href="./Scandinavia" id="mwDdU" rel="mw:WikiLink" title="Scandinavia">Scandinavians</a> developed the extended <b id="mwDdY"><a href="./Medieval_runes" id="mwDdc" rel="mw:WikiLink" title="Medieval runes">medieval runes</a></b>?