R�sberg, Wed 20.11.02
Hi Ralf/Aitor,
this is a very interesting topic for me!
On Wed, 20 Nov 2002 07:58:27 -0800, Ralf Quint wrote:
RQ> Are Windows charsets 8-bit codepages?
Yes, if you leave out far-east codepages. For example, 932 has much
more than 256 characters.
And yes, 16-bit are really a severe problem for us. Supporting them
means the loss of some very nice properties of 8-bit codepages.
RQ> If this is so, we could prepare (I don't know how difficult it would be)
RQ> those codepages to be used with DISPLAY.
RQ> There's something that I would need to know for KEYB to handle this
RQ> easily:
RQ> which is the highest codepage number known?
Which KEYB do you mean? I have a german KEYB. The corresponding
KEYBOARD.SYS file contains support layout "JP" and codepage 932. But
then, there are no real data records, for this codepage. However, a
far-east KEYB with DBCS support might contain code for this layout.
As it goes for european and american versions, I dare to say, the
highest numbers are 912 and 915 (supported by PC-DOS 7.0). For MS,
the highest number seems to be 869.
RQ> ( my wish: below 4000
RQ> my second wish: below 8000
RQ> my last wish: below 16000 :-((()
I agree completely!
Let me express it more precisely: it would be handy to have all
codepage number below 4098. Codepage numbers above 16383 would be
nightmare!
BTW, what about the codepages which are not supported by MS? I think,
at least the ISO codepages are worth to be supported. And there are a
lot of codepages without any official IDs. The most important of them
is KOI8-R, which should be supported as well. (Arkady, do you agree?)
I've heard of a proposal about 'user definable codepage IDs' to
assign IDs above 0xF000 to codepages without official IDs. But I don't
like to assign such a number to a wide-spread codepage like KOI8-R.
Regards,
Axel.
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