overlay.el bug, incompatable overlays-in

[It's me FKtPp ;)]

Stephen J. Turnbull wrote:
> Moving to XEmacs Patches for discussion.
>
> It's me FKtPp ;) writes:
>
>  > I've created one with my two mail pasted in.
>
>  > What about this attached patch?
>
> Much better.  Does it do what you need it to do?
>   


Sorry, I have to say NO.

and, please see the attached patch, which I'd tested using the following
code in scratch buffer:

;; This buffer is for notes you don't want to save, and for Lisp evaluation.
;; If you want to create a file, first visit that file with C-x C-f,
;; then enter the text in that file's own buffer. (C-x is the standard
;; XEmacs abbreviation for `Control+x', i.e. hold down the Control key
;; while hitting the x key.)
;;
;; For Lisp evaluation, type an expression, move to the end and hit C-j.

(require 'overlay)
overlay

(make-overlay -100 200)
#<extent [1, 200) overlay 0x30a0cb0 in buffer *scratch*>

(overlays-in -1000 1000)
(#<extent [1, 200) overlay 0x2c97150 in buffer *scratch*> #<extent [1,
200) overlay 0x30a0cb0 in buffer *scratch*>)

(move-overlay (car (overlays-in -1000 1000))
          200 4000)
#<extent [200, 709) overlay 0x2c97150 in buffer *scratch*>

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