> a valid version.  ".9" is also not a valid real number in
 > normal usage, you are meant to go "0.9".  Although the "."
 > separator varies from country to country (e.g. a lot of
 > Europe would write that as "0,9".

Uh.. I've _never_ seen a version number expressed with anything but a '.'
(if a separator was used at all) in Europe, the US, Australia, and so on.
This is not to be confused with the country-dependant
time/date/monetary/decimal separators.

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