bug#24656: 25.1; Emacs leaves lock files on a CIFS share

[Eli Zaretskii]

> Cc: 24656@debbugs.gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Tue, 11 Oct 2016 08:59:41 -0700
> 
> On 10/10/2016 11:49 PM, Eli Zaretskii wrote:
> > Paul, do you see any reasons not to make this change?  Could the comma
> > be problematic in some cases?  If so, can we try some other character,
> > perhaps?
> 
> If we're going to change it, I suggest choosing a character from the 
> POSIX portable file name character set 
> <http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap03.html#tag_03_266#tag_03_276>,
>  
> as this is the most likely to work across a wide variety of POSIXish 
> file systems. So, how about using "." instead of ":"?

Fine with me, I thought we wanted a different character to minimize
the risk of errors in parsing the link name.

> More important, how will a new Emacs interoperate with an old one?

I guess we will have to check for both the colon and the new
character?