Fatal error: assertion failed, file c:\programme\cygwin\usr\src\xemacs-21.5\src\
redisplay.c, line 5304, pos_of_dlp < 0 || pos_of_dlp == Dynarr_length (dla)

Fatal error.

Your files have been auto-saved.
Use `M-x recover-session' to recover them.

If you have access to the PROBLEMS file that came with your
version of XEmacs, please check to see if your crash is described
there, as there may be a workaround available.
Otherwise, please report this bug by running the send-pr
script included with XEmacs, or selecting `Send Bug Report'
from the help menu.
As a last resort send ordinary email to `crashes@xemacs.org'.
*MAKE SURE* to include the information in the command
M-x describe-installation.

Lisp backtrace follows:

  # (unwind-protect ...)
  # (unwind-protect ...)
  # (unwind-protect ...)
  # (unwind-protect ...)
  # (unwind-protect ...)
  # (unwind-protect ...)
  # (unwind-protect ...)
  set-frame-pixel-size(#<mswindows-frame "XEmacs" 0xbdb9> 265 159)
  # bind (frame name gutter-spec unmapped dfwidth dfheight cl-properties fontw f
onth fheight fwidth fleft ftop)
  create-dialog-box-frame()
  # (unwind-protect ...)
  # bind (--letf-save--51514 --letf-bound--51515 cl-spec cl-autosize cl-properti
es cl-modal cl-parent cl-title)
  # (unwind-protect ...)
  # bind (--letf-save--51510 --letf-bound--51511 cl-keys type)
  make-dialog-box(general :parent #<mswindows-frame "emacs" 0xa952> :title "Sear
ch":autosize t :spec #<glyph (buffer) #<image-specifier global=(((msprinter) .
[layout:orientation horizontal :vertically-justify top :horizontally-justify ce
nter:border [string :data "Search"] :items ([layout :orientation vertical :just
ify top :items ([string :data "Search for:"] [button :descriptor "Match Case" :s
tyle toggle :selected (not case-fold-search) :callback (setq case-fold-search (n
ot case-fold-search))] [button :descriptor "Regular Expression" :style toggle :s
elected search-dialog-regexp :callback (setq search-dialog-regexp (not search-di
alog-regexp))] [button :descriptor "Forwards" :style radio :selected search-dial
og-direction:callback (setq search-dialog-direction t)] [button :descriptor "Ba
ckwards":style radio :selected (not search-dialog-direction) :callback (setq se
arch-dialog-direction nil)])] [layout :orientation vertical :vertically-justify
top:horizontally-justify right :items ([edit-field :width 15 :descriptor "" :ac
tive t :initial-focus t] [button :width 10 :descriptor "Find Next" :callback-ex
(lambda (image-instance event) (search-dialog-callback #<mswindows-frame "emacs"
 0xa952> image-instance event))] [button :width 10 :descriptor "Cancel" :callbac
k-ex (lambda (image-instance event) (isearch-dehighlight) (delete-frame (event-c
hannel event)))])])]) ((mswindows) . [layout :orientation horizontal :vertically
-justify top :horizontally-justify center :border [string :data "Search"] :items
 ([layout :orientation vertical :justify top :items ([string :data "Search for:"
] [button :descriptor "Match Case" :style toggle :selected (not case-fold-search
):callback (setq case-fold-search (not case-fold-search))] [button :descriptor
"Regular Expression" :style toggle :selected search-dialog-regexp :callback (set
q search-dialog-regexp (not search-dialog-regexp))] [button :descriptor "Forward
s":style radio :selected search-dialog-direction :callback (setq search-dialog-
direction t)] [button :descriptor "Backwards" :style radio :selected (not search
-dialog-direction):callback (setq search-dialog-direction nil)])] [layout :orie
ntation vertical :vertically-justify top :horizontally-justify right :items ([ed
it-field:width 15 :descriptor "" :active t :initial-focus t] [button :width 10
:descriptor "Find Next" :callback-ex (lambda (image-instance event) (search-dial
og-callback #<mswindows-frame "emacs" 0xa952> image-instance event))] [button :w
idth 10 :descriptor "Cancel" :callback-ex (lambda (image-instance event) (isearc
h-dehighlight) (delete-frame (event-channel event)))])])]) ((stream) . [layout :
orientation horizontal :vertically-justify top :horizontally-justify center :bor
der [string :data "Search"] :items ([layout :orientation vertical :justify top :
items ([string :data "Search for:"] [button :descriptor "Match Case" :style togg
le:selected (not case-fold-search) :callback (setq case-fold-search (not case-f
old-search))] [button :descriptor "Regular Expression" :style toggle :selected s
earch-dialog-regexp:callback (setq search-dialog-regexp (not search-dialog-rege
xp))] [button :descriptor "Forwards" :style radio :selected search-dialog-direct
ion:callback (setq search-dialog-direction t)] [button :descriptor "Backwards"
:style radio :selected (not search-dialog-direction) :callback (setq search-dial
og-direction nil)])] [layout :orientation vertical :vertically-justify top :hori
zontally-justify right :items ([edit-field :width 15 :descriptor "" :active t :i
nitial-focus t] [button :width 10 :descriptor "Find Next" :callback-ex (lambda (
image-instance event) (search-dialog-callback #<mswindows-frame "emacs" 0xa952>
image-instance event))] [button :width 10 :descriptor "Cancel" :callback-ex (lam
bda (image-instance event) (isearch-dehighlight) (delete-frame (event-channel ev
ent)))])])])) fallback=((nil . [nothing])) 0xbd9c>0xbd9b> :properties (height 11
 width 41))
  # bind (parent)
  #<compiled-function nil "...(183)" [search-dialog parent selected-frame make-d
ialog-box general :parent :title "Search" :autosize t :spec make-glyph apply vec
tor layout :orientation horizontal :vertically-justify top :horizontally-justify
 center :border string :data :items vertical :justify "Search for:" button :desc
riptor "Match Case" :style toggle :selected (not case-fold-search) :callback (se
tq case-fold-search (not case-fold-search)) "Regular Expression" search-dialog-r
egexp (setq search-dialog-regexp (not search-dialog-regexp)) "Forwards" radio se
arch-dialog-direction (setq search-dialog-direction t) "Backwards" (not search-d
ialog-direction) (setq search-dialog-direction nil) right edit-field :width ...]
 47 547125 nil>()
  call-interactively(make-search-dialog)
  # (condition-case ... . error)
  # (catch top-level ...)