bug#10783: Some built-in functionslost their argument names

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: 10783@debbugs.gnu.org,  schwab@linux-m68k.org
> Date: Sat, 11 Feb 2012 22:23:40 -0500
> 
> Glenn Morris wrote:
> 
> > I wonder if it helps if to also add the "(fn ..." part to the end of
> > the pc-win.el doc strings?
> 
> That fixes the problem on GNU/Linux.

How and why does it do that?  And what problem is that?