appt-make-list too aggressive?

[Jim Ottaway <j.ottaway@lse.ac.uk>]

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In GNU Emacs 21.2.1 (i386-debian-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2005-02-11 on ninsei, modified by Debian
configured using `configure  i386-debian-linux-gnu --prefix=/usr --sharedstatedir=/var/lib --libexecdir=/usr/lib --localstatedir=/var/lib --infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes --with-x=yes --with-x-toolkit=athena --without-gif'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_GB
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

This may be a bug, or it may be a feature.

The function `appt-make-list' clears all prior appointments when it
parses the diary file [or files].  So if I have `appt-make-list' in
`diary-hook' and I add an appointment using `appt-add' before I look
at my diary, that appointment is deleted from `appt-time-msg-list'.  I
would have expected `appt-make-list' to keep any appointments added by
appt-add.

Regards,

-- 
Jim Ottaway