From: Mosur Mohan <mognush@gmail.com>
To: bug-gnu-emacs@gnu.org
Subject: bug#4592: Bug in built-in function substitute-in-file-name
Date: Tue, 29 Sep 2009 17:37:26 -0700 [thread overview]
Message-ID: <7f5ab920909291737r4b739331v40b9d9ea703ef440@mail.gmail.com> (raw)
I am running Emacs version 21.3 on a Linux x86_64 machine.
When I start up Emacs, I go to the *scratch* buffer and eval
(substitute-in-file-name "/~/")
and I get the expected result
"~/"
After running for a while, I notice that filename completion starts
giving errors. At this point, I re-try the above experiment:
(substitute-in-file-name "/~/")
But now, I get:
"/~/"
I am not able to figure out what happened in between to make it stop
working correctly. A search for "substitute-in-file-name" in
bug.gnu.emacs didn't turn up anything relevant to this problem.
I narrowed the problem down to substitute-in-file-name after some
debugging. Here's the sequence:
In the recently launched Emacs session, while editing a file, I type
C-x C-f to open another file.
In the minibuffer, I see the prompt "~/DesignDB/" (my current working directory)
I type "~/Al" so that the minibuffer now reads "~/DesignDB/~/Al"
I hit <TAB> to do completion on ~/Al
The minibuffer changes to "~/Alps/", which is correct.
In the older Emacs session where I see the problem, I carry out the
same sequence.
With the minibuffer reading "~/DesignDB/~/Al", I hit <TAB>
The minibuffer shows this message: "Opening directory: no such file or
directory, /nfs/pdx/home/mmohan/DesignDB/~*/Al"
The *Messages* window contains this message:
read-file-name-internal: Opening directory: no such file or directory,
/nfs/pdx/home/mmohan/DesignDB/~*/
I debugged this difference in complete.el and ffap.el until I reached
the above discrepancy in the behavior of built-in function
substitute-in-file-name. I was then able to make the 2 sessions
exhibit the difference with the minimal arg "/~/" to the function.
Hope that is sufficient info. Thanks,
--
Mosur Mohan
next reply other threads:[~2009-09-30 0:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-30 0:37 Mosur Mohan [this message]
2009-09-30 9:07 ` bug#4592: Bug in built-in function substitute-in-file-name Andreas Schwab
2009-09-30 15:02 ` Mosur Mohan
2009-10-03 0:15 ` Glenn Morris
2009-10-03 7:13 ` Mosur Mohan
2009-10-03 19:18 ` Lennart Borgman
2009-10-06 22:58 ` Mosur Mohan
2011-03-10 7:00 ` Glenn Morris
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