[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#4869: 23.1.50; weak documentation of prefer-coding-system
From: |
Lennart Borgman |
Subject: |
bug#4869: 23.1.50; weak documentation of prefer-coding-system |
Date: |
Fri, 6 Nov 2009 03:50:03 +0100 |
On Fri, Nov 6, 2009 at 2:47 AM, Juri Linkov <juri@jurta.org> wrote:
>> The function prefer-coding-system does not explain if the CODING-SYSTEM
>> argument must be a symbol or a string (or either).
>>
>> Without seeing a code example, a user might try using a quoted string:
>>
>> (prefer-coding-system "utf-8")
>>
>> In which case, the error message is very confusing (this makes it sound
>> as though utf-8 is not supported):
>>
>> error: Invalid coding system `utf-8'
>>
>> At a minimum, the documentation should be made more explicit, and I
>> would strongly suggest adding a code example:
>>
>> (prefer-coding-system 'utf-8)
>
> Why not allow both? Some MULE functions allow a symbol and a string.
Because it is at least a rudimentary type check? ;-)