Xiao'erjing
...that the Xiao'erjing is a system of writing Sinitic languages such as Mandarin in the Arabic script?
...that the <b id="mwCUQ"><a href="./Xiao'erjing" id="mwCUU" rel="mw:WikiLink" title="Xiao'erjing">Xiao'erjing</a></b> is a system of writing <a class="mw-redirect" href="./Spoken_Chinese" id="mwCUY" rel="mw:WikiLink" title="Spoken Chinese">Sinitic languages</a> such as <a class="mw-redirect" href="./Mandarin_(linguistics)" id="mwCUc" rel="mw:WikiLink" title="Mandarin (linguistics)">Mandarin</a> in the <a href="./Arabic_alphabet" id="mwCUg" rel="mw:WikiLink" title="Arabic alphabet">Arabic script</a>?