[no subject]

[David Vinayak Wallace <Gumby at MIT-OZ>]

In Experimental MIT-Specific 18.0, Experimental System 93.10,
Experimental ZMail 49.2, microcode 226, gc@2, on Lisp Machine Eight:


Insert your description of the circumstances here:

I did a C-X C-F to read a file, then changed my mind. I forgot to type
abort and instead typed C-M-L

>>TRAP 7445 (INSTANCE-LACKS-INSTANCE-VARIABLE
M-C M-A)
There is no instance variable ZWEI:SAVED-MODE-LIST in #<NODE 24540415>.
Backtrace from the debugger:

ZWEI:MAKE-BUFFER-CURRENT (P.C. = 114)

 Arg 0 (BUFFER): #<ZMACS-BUFFER "*Dired-2*" 33626766>


ZWEI:ROTATE-BUFFER-HISTORY (P.C. = 54)

 Arg 0 (N): 2
Local 0 (MAP-RESULT): NIL
Local 1 (MAP-TEMP): NIL
Local 2 (MAP-LOCAL-0): NIL
Local 3 (ELT): NIL


ZWEI:COM-SELECT-PREVIOUS-BUFFER (P.C. = 36)



Additional information supplied with call:
 Expecting 3 values

ZWEI:COMMAND-EXECUTE (P.C. = 100)

 Arg 0 (COMMAND): ZWEI:COM-SELECT-PREVIOUS-BUFFER
 Arg 1 (CHAR): 233
 Arg 2 (PREFIX-CHAR): NIL
 Arg 3 (HOOK-LIST): NIL
Local 0 (G4734): NIL
Local 1 (HOOK): NIL


ZWEI:PROCESS-COMMAND-CHAR (P.C. = 67)

 Arg 0 (CH): 233
Local 0 (VALUE): NIL
Local 1 (LINE): NIL
Local 2 (INDEX): NIL
Local 3 (G5246): NIL
Local 4 (HOOK): NIL


Remainder of stack:

(METHOD ZWEI:WINDOW EDIT) (P.C. = 465)
(INTERNAL (METHOD ZWEI:ZWEI-WITHOUT-TYPEOUT COMBINED EDIT) 0) (P.C. = 63)
FUNCALL (P.C. = 25)
(METHOD ZWEI:DISPLAYER AROUND EDIT) (P.C. = 31)
(METHOD ZWEI:ZWEI-WITHOUT-TYPEOUT COMBINED EDIT) (P.C. = 47)
ZWEI:EDIT-IN-MINI-BUFFER (P.C. = 345)
ZWEI:READ-UNDEFAULTED-PATHNAME-STRING (P.C. = 210)
ZWEI:READ-DEFAULTED-PATHNAME (P.C. = 64)
APPLY
SI:*EVAL (P.C. = 1145)
...
ZWEI:COMMAND-EXECUTE (P.C. = 100)
ZWEI:PROCESS-COMMAND-CHAR (P.C. = 67)
(METHOD ZWEI:WINDOW EDIT) (P.C. = 465)
(INTERNAL (METHOD ZWEI:ZMACS-WINDOW COMBINED EDIT) 0) (P.C. = 74)
FUNCALL (P.C. = 25)
(METHOD ZWEI:DISPLAYER AROUND EDIT) (P.C. = 31)
(METHOD ZWEI:ZMACS-WINDOW COMBINED EDIT) (P.C. = 47)
ZWEI:ZMACS-WINDOW-TOP-LEVEL (P.C. = 46)
SI:PROCESS-TOP-LEVEL (P.C. = 121)