[pro] CDR for UTF* and UNICODE handling in :element-type (Re: write-char vs. 8-bit bytes)

[Antoniotti Marco]

On 2014-04-11, 13:02 , "Pascal J. Bourguignon" <pjb at informatimago.com>
wrote:

>Antoniotti Marco <antoniotti.marco at disco.unimib.it> writes:
>
>> On Apr 10, 2014, at 16:31 , Paul Tarvydas <paultarvydas at gmail.com>
>>wrote:
>>
>>> I'm using sbcl to write-char a 16-bit unsigned integer to a socket as
>>>two separate unsigned 8-bit bytes, for example 141 should appear as
>>> 
>>> #x00 #x8d.
>>> 
>>> SBCL appears to convert the #x8d into a two-byte utf-8 char, resulting
>>>in 3 bytes written to the stream
>>> 
>>> \#x00 #xcd #x8d.
>>> 
>>> What is the proper incantation to achieve this?  (SBCL on Windows, if
>>>that matters).
>>
>> It may not be very helpful, but the ³right incantation² would be to
>> write a CDR that specified the behavior of implementations that deal
>> with UTF* and UNICODE.
>
>No, not in this case.

Why not?

Cheers
‹
MA