Reverting locate buffers.

[Matt Hodges]

In GNU Emacs 22.0.50.93 (i686-pc-linux-gnu, GTK+ Version 2.8.20)
 of 2006-09-01 on escpc40
X server distributor `The X.Org Foundation', version 11.0.70000000
configured using `configure '--with-gtk''

Reverting Locate mode buffers (via locate-update) currently ignores
filters from locate-with-filter.  It also doesn't work with uniquely
renamed buffers, or when locate has been called non-interactively
(e.g., from eshell/locate) and locate-history-list and
locate-grep-history-list aren't modified.

The attached patch has suggested changes to address these issues.  If
suitable, a ChangeLog entry is:

2006-09-05  Matt Hodges  <address@hidden>

        * locate.el (locate-current-search): New variable.
        (locate): Set buffer local value.  Use current buffer if it is
        in Locate mode.
        (locate-mode): Disable undo here.
        (locate-do-setup): Use locate-current-filter from buffer to be
        killed. 
        (locate-update): Use locate-current-search and
        locate-current-filter.

Thanks,

Matt

txtTwtFqyicMh.txt
Description: locate.el patch.