Re: RMAIL slows

[Robert J. Chassell]

Stefan Monnier <address@hidden> suggested

    If you just

        (pp
         (save-restriction
           (widen)
           (overlays-in (point-min)
                        (point-max)))
         (get-buffer-create "*overlays*"))

    and then look at the *overlays* buffer, you should be able to see
    the start/end points of those overlays, so you can at least see if
    they're empty.  You maybe also want to check whether some/many of
    them seem to be piled up one of top of the other.

Here is part of what I see:

#<overlay from 2144619 to 2144619 in RMAIL> #<overlay from 2144619 to 2144619 
in RMAIL> #<overlay from 2144619 to 2144619 in RMAIL> #<overlay from 2144619 to 
2144619 in RMAIL> #<overlay from 2144619 to 2144619 in RMAIL>)

These overlap dramatically.

    Further than that you'll have to use `overlay-properties' on some
    of those overlays to get an idea of where they come from and what
    they're supposed to do.

OK.  The following

    (pp
     (save-restriction
       (widen)
       (overlay-properties (car (overlays-in 2144619 2144619))))
     (get-buffer-create "*overlays-1*"))

shows this:

    (goto-address t keymap
                  (keymap
                   (3 keymap
                      (13 . goto-address-at-point))
                   (mouse-2 . goto-address-at-mouse))
                  help-echo "mouse-2, C-c RET: mail this address" mouse-face 
secondary-selection face italic)

which is the same as looking at the `nth 2' and `nth 6' overlays.

I do have the following in my .emacs file:

    (add-hook 'rmail-show-message-hook 'goto-address)

When I comment that out and start a fresh instance of Emacs, I see
just this in my *overlays* buffer for the same RMAIL file on the same
message:

(#<overlay from 1938742 to 1938772 in RMAIL> #<overlay from 1938656 to 1938670 
in RMAIL>)

These overlays do not overlap.

Moreover, 

    (pp
     (save-restriction
       (widen)
       (overlay-properties 
        (car 
         (overlays-in (point-min)
                      (point-max)))))
     (get-buffer-create "*overlays*"))

shows

    (face bold)

which is the same as for `nth 1'.

-- 
    Robert J. Chassell                         
    address@hidden                         GnuPG Key ID: 004B4AC8
    http://www.rattlesnake.com                  http://www.teak.cc