Various elements are either preceded or followed by what looks like an em-dash, either literal or inserted by means of CSS, with or without a space, for no obvious or consistent reason. This style (?), if it were to be made internally consistent, is culturally dependent and should be subject to i18n.
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On a page like https://wikimediafoundation.org/ar/about/contact/ (selecting ar after zh) I see for instance:
اتصل — 連接
Or in HTML
<h3 class="h3 color-gray uppercase">اتصل — <span>連接</span></h3>
(On the lack of directionality or language tagging, see T227636, T200742#5320718.)
Chinese punctuation cannot be assumed to have the same usage or meaning as English punctuation. (Let alone the punctuation for hundreds of languages.) I18n support is needed for such elements.