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Re: [Bug-mit-scheme] mysteriously vanishing filed messages

From: Taylor R Campbell
Subject: Re: [Bug-mit-scheme] mysteriously vanishing filed messages
Date: Tue, 14 Jul 2009 17:04:28 -0400
User-agent: IMAIL/1.21; Edwin/3.116; MIT-Scheme/7.7.90.+

Gee, I'm sorry: this was a really trivial bug that has been lurking
for a long time.  I have pushed a fix to the Git repository, and also
fixes for some other issues related to saving file folders.  Now if
you type `s' and see `Folder saved', you have a stronger guarantee
that your mail has been written to permanent storage, as far as the
operating system is capable.  Generally, you should type `s' in a file
folder before expunging any messages you have filed to it, so that you
have this guarantee; otherwise, IMAIL may not discover until you close
or save the folder that it can't actually write the mail to the file,
since it keeps changes to file folders only in memory, not on disk,
until you save them.  (This might happen if someone renames some files
under your nose, or an AFS file system or Kerberos ticket goes away,
or there is a problem with your disk, &c.)

If using Git terrifies you as much as it terrifies me, I've attached a
patch that you can simply load into Scheme; it contains all the fixes
I just made.

Attachment: imail-patch.scm
Description: Text Data

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