bug#15648: 24.2.50; gnutls SSL connection to IMAP server causes emacs to crash completely

[emacs]

Eli Zaretskii wrote at about 19:32:04 +0200 on Sunday, November 3, 2013:
 > > From: <emacs@kosowsky.org>
 > > Date: Sun, 03 Nov 2013 10:12:27 -0500
 > > Cc: emacs@kosowsky.org, 15648@debbugs.gnu.org
 > > 
 > > Looking through files.el, I noticed that there is a function that
 > > seems to be similar in intent.
 > > 
 > > The function is called convert-standard-filename. All it really does
 > > currently is replace invalid characters/filenames for
 > > cygwin/windows-nt/ms-dos.
 > 
 > No, please leave that function alone.  Its purpose is different: to
 > convert a _standard_ file name used in Emacs, such as ".emacs", to
 > something the underlying system can use.  IOW, that function is so
 > that Posix systems could use any file name they want, and non-Posix
 > systems adapt.

I agree... as the rest of my note illustrates... it seems clear from
reading the elisp code in file.el that expand-file-name and
file-truename are the appropriate functions to use for translating
file names to ones retrievable by the underlying (local) OS.