Subject: Re: bug#4869: 23.1.50; weak documentation of prefer-coding-system

From: Eli Zaretskii <[email-masked]>
Date: Fri, 06 Nov 2009 10:41:42 +0200

> From: Lennart Borgman <[email-masked]>
> Date: Fri, 6 Nov 2009 03:50:03 +0100
> Cc: Joseph Brenner <[email-masked]>
> 
> > Why not allow both?  Some MULE functions allow a symbol and a string.
> 
> Because it is at least a rudimentary type check? ;-)

There's no need for this type check because prefer-coding-system
already checks its argument with coding-system-p, which is the full
type check for coding systems.