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[Uday Reddy <u.s.reddy@xxxxxxxxxxxxx>]

** Changed in: viewmail
       Status: In Progress => Fix Committed

** Changed in: vm/trunk
       Status: In Progress => Fix Committed

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vm-8.0.13 mapvector possibly collides with xemacs built-in function
https://bugs.launchpad.net/bugs/492117
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Status in VM - Goto http://launchpad.net/vm for active development: Fix Committed
Status in VM (View Mail) for Emacs: Fix Committed
Status in VM 8.0.x series: Fix Released
Status in VM trunk series: Fix Committed

Bug description:
vm-8.0.13 introduced a defun for mapvector in vm-folder.  This definition appears to stomp upon the function built into xemacs already:

  `mapvector' is a built-in function
  (mapvector FUNCTION SEQUENCE)

This became evident trying to invoke latex-mode on a buffer after having upgraded from vm-8.0.12 to vm-8.0.13.  This resulted in an error saying that a mapvector usage had an incorrect argument.

Changing vm-folder.el such that it defines and uses vm-mapvector appears to have fixed this behavior.

I was attempting to revert this change to obtain a back trace of the error, but I am currently unable to reproduce the exact one I am experiencing.  Nevertheless, it would seem unwise to defun a duplicate of a built-in function.