[no subject]

[Richard Mlynarik <Mly at MIT-OZ>]

In Bad Inconsistently updated System 98.11, CADR 3.2,
Experimental ZMail 53.5, MIT-Specific 22.0, microcode 305, ZM MIT,
on Lisp Machine One:

Accidentally set the Mode: in the mode line to a non-existant mode and
then did m-x reparse mode line.
result was "ZMACS () foo-buffer *"
Then typed m-x fundamental mode


>>TRAP 14074 (ARGTYP NUMBER PP 0 QILSP)
The first argument to M-<, NIL, was of the wrong type.
The function expected a number.
Backtrace from the debugger:

(:INTERNAL ZWEI:TURN-ON-MODE 0) (P.C. = 27)

 Arg 0 (X): NIL
 Arg 1 (Y): ZWEI:FUNDAMENTAL-MODE


SORT-SHORT-LIST (P.C. = 56)

 Arg 0 (L): (ZWEI:FUNDAMENTAL-MODE NIL)
 Arg 1 (LPRED): #<DTP-FEF-POINTER (:INTERNAL ZWEI:TURN-ON-MODE 0) 17242307>
 Arg 2 (KEYFUN): NIL
Local 0 (I): 1
Local 1 (SWITCH): T
Local 2 (LP): (ZWEI:FUNDAMENTAL-MODE NIL)


SORT (P.C. = 105)

 Arg 0 (X): (ZWEI:FUNDAMENTAL-MODE NIL)
 Arg 1 (SORT-LESSP-PREDICATE): #<DTP-FEF-POINTER (:INTERNAL ZWEI:TURN-ON-MODE 0) 17242307>
 Rest arg: NIL
Local 1 (KEY): NIL
Local 2 (TEM): NIL


ZWEI:TURN-ON-MODE (P.C. = 134)

 Arg 0 (MODE-SYMBOL): ZWEI:FUNDAMENTAL-MODE
Local 0: NIL
Local 1 (MINOR): NIL
Local 2 (HOOK): ZWEI:FUNDAMENTAL-MODE-HOOK


ZWEI:COM-FUNDAMENTAL-MODE (P.C. = 47)

Local 0: NIL
Local 1 (MODE): ZWEI:RETURN-INDENTS-MODE


Remainder of stack:

ZWEI:COM-EXTENDED-COMMAND (P.C. = 67)
ZWEI:COMMAND-EXECUTE (P.C. = 115)
ZWEI:PROCESS-COMMAND-CHAR (P.C. = 65)
(:METHOD ZWEI:WINDOW :EDIT) (P.C. = 464)
(: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)
PROCESS-TOP-LEVEL (P.C. = 152)