+>>> Yes, that seems reasonable. I guess there's no problem with defaulting
+>>> to en if it can be overridden in the setup. --[[Joey]]
+
+>>>> Yes, english default makes sense. But maybe this option should also be used to define the
+>>>> language used for the messages, ie override the locale?
+>>>> Or just --html-lang=XX, only used by the templates?
+>>>> — NicolasLimare