[Openmcl-devel] *default-external-format* and encoding and decoding strings.

[Ron Garret]

On Mar 7, 2016, at 1:30 PM, R. Matthew Emerson <rme at clozure.com> wrote:

> 
>> On Mar 5, 2016, at 12:03 PM, Ron Garret <ron at flownet.com> wrote:
>> 
>> 
>> On Mar 5, 2016, at 8:39 AM, Dmitry Igrishin <dfigrish at gmail.com> wrote:
>> 
>>> 
>>> 
>>> 2016-03-05 16:25 GMT+03:00 Dmitry Igrishin <dfigrish at gmail.com>:
>>> Hello,
>>> 
>>> The *default-external-parameter* doesn't considered by
>>> count-characters-in-octet-vector, decode-string-from-octets,
>>> encode-string-to-octets, string-size-in-octets functions which
>>> has the :external-format parameter. I believe that
>>> *default-external-parameter* should affect the behaviour of
>>> all functions with :external-format parameter, right?
>>> Sorry, I meant the *default-external-format* special variable...
>> 
>> This is a bug in ccl::lookup-character-encoding.  Here’s a patch:
>> 
>> (in-package :ccl)
>> 
>> (let ((ccl::*warn-if-redefine-kernel* nil))
>>  (defun lookup-character-encoding (name)
>>    (gethash (or name *default-external-format*) *character-encodings*)))
> 
> I don't think I can apply this.
> 
> The issue is that nil is a valid character encoding name: it's a documented synonym for :iso-8859-1.

That’s a bug in the documentation.  NIL should be a synonym for *default-character-encoding*.  (I’m not joking.  That part of the docs was written before the introduction of *default-character-encoding*.)

rg