non-deletable saved folder

To: mutt-users@xxxxxxxx
Subject: non-deletable saved folder
From: Jon <weatchu@xxxxxxxxx>
Date: Fri, 7 Jul 2006 11:08:10 -0800
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Is it possible to have 'a folder' say =saved be
100% non-deletable with the 'd' key... or 'D' key?

References:
- save (line) position in browser
  - From: Paul Puschmann
- Re: save (line) position in browser
  - From: Peter Wiersig