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Do not turn the <span> </span> after the day back into   or . It looks like a pointless way to write a space, and it is not. A plain space cannot be used there because it sits at the very end of a argument, and parser functions trim their arguments—the day and the month would run together. But every HTML entity ends in a semicolon, and
separates its markers with semicolons: it would cut the marker's text at 28  and throw the month and year away. <span> </span> survives the trimming, contains no semicolon, and renders as an ordinary space. <nowiki> </nowiki> does not work—its strip marker leaks into the map popup.