RE: New FAQ page

From: Peter Constable (
Date: Fri Oct 12 2007 - 10:10:30 CDT

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    From: [] On Behalf Of John Hudson

    > ? is used by many Windows apps (and elsewhere?) to indicate
    > an unknown character, as distinct from a known but unsupported
    > character. So, for instances, non-Unicode apps may display any
    > 16 bit Unicode character as ??

    Actually, I think what's happening is that "?" is used as the default code page mapping for characters not supported in a code page. So, if an app takes Unicode data and pumps it into (say) code page 1252, then a character like U+0915 will map into 0x3F "?".


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