[PATCH 2/2] nnmaildir: Use a 'num' file, instead of a directory

[John Wiegley]

This patch causes nnmaildir to use a "num" file to track the next available 
article number, rather than creating N empty files.  However, this only works 
for new groups.  Existing groups, which use the directory, will continue to.  
If you want to switch to using file-based numbering, you must convert your 
Maildir using the attached script (it's also copied to the commit description 
in the patch).

John

0002-nnmaildir-Use-a-num-file-instead-of-a-directory.patch
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gnus-renumber
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