On Mon, Jun 15, 2015, Doug Ewell wrote:
> At least it was possible to implement the old ISO 9995-3 standard on
> Windows, treating Group 2, Levels 1 and 2 as if they were Group 1,
> Levels 3 and 4 -- in other words, by using AltGr and Shift+AltGr.
The US International keyboard layout indeed conforms to ISO/IEC 9995.
AFAIK it was preexistent, and was validated for conformance by considering that
the AltGr and Shift + AltGr shift states contain the secondary group.
I did not think about it as an _implementation_ of ISO/IEC 9995.
> The new ISO 9995-3 standard isn't implemented anywhere, and can't be as
> long as no specification exists to access the additional groups and
> shift states without adding more physical keys. "Figure it out for
> yourself" is not a specification.
The new German standard keyboard layouts T2 and T3 are ISO/IEC 9995.
Other national keyboard layouts before them are, too.
There is exactly a Group 1 with three levels and a Group 2 with two.
Marcel Schneider
Received on Mon Jun 15 2015 - 11:12:39 CDT
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