Can't set a non-breaking space as Thousands Separator in Administer > Localization settings
In France, the typographic rule to separate thousands is a non-breaking space. When I try to set this value in 'Thousands Separator' field (with ALTGR + SPACE in Ubuntu), I have the error 'Thousands Separator can not have more than 1 character. It works fine with regular space (SPACE).
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