NUMBER-OF-MINI-BUFFER-LINES in ZMACS-FRAME

[Henry Lieberman <Henry@MIT-OZ>]

In Release 4.3, site configuration 43, on Lisp Machine Apiary-1:

This bug still exists in 4.3. It used to work a long time ago.
I created a ZMACS-FRAME specifying :NUMBER-OF-MINI-BUFFER-LINES 1.

>>Error: Zero line editor windows do not work
While in the function (METHOD TV:ESSENTIAL-SET-EDGES AFTER INIT)  (METHOD ZWEI:ZWEI-WITH-TYPEOUT COMBINED INIT)  TV:MAKE-WINDOW

(METHOD TV:ESSENTIAL-SET-EDGES AFTER INIT):  (P.C. = 46)
   (SELF = #<ZWEI-MINI-BUFFER Zwei Mini Buffer 15 20556545 deactivated>)
   Arg 0 (OPERATION): INIT
   Arg 1 (IGNORE): #<DTP-LOCATIVE 11116534>
   Local 0 (ERROR-MESSAGE): "Zero line editor windows do not work"

(METHOD ZWEI:ZWEI-WITH-TYPEOUT COMBINED INIT):  (P.C. = 203)
   (SELF = #<ZWEI-MINI-BUFFER Zwei Mini Buffer 15 20556545 deactivated>)
   Rest arg (.DAEMON-CALLER-ARGS.): (INIT #<DTP-LOCATIVE 11116534>)

TV:MAKE-WINDOW:  (P.C. = 212)
   Arg 0 (FLAVOR-NAME): ZWEI:ZWEI-MINI-BUFFER
   Rest arg (OPTIONS): (TAB-NCHARS 8 MINIMUM-HEIGHT 32 MINIMUM-WIDTH 32 BACKSPACE-NOT-OVERPRINTING-FLAG 1 RIGHT-MARGIN-CHARACTER-FLAG 1 ...)

(METHOD ZWEI:MODE-LINE-SUPERIOR-MIXIN AFTER INIT):  (P.C. = 155)
   (SELF = #<ZMACS-MODE-LINE-WINDOW Zmacs Mode Line Window 4 20556401 deactivated>)
   Arg 0 (OPERATION): INIT
   Arg 1 (IGNORE): #<DTP-LOCATIVE 11116401>

(METHOD ZWEI:ZMACS-MODE-LINE-WINDOW COMBINED INIT):  (P.C. = 176)
   (SELF = #<ZMACS-MODE-LINE-WINDOW Zmacs Mode Line Window 4 20556401 deactivated>)
   Rest arg (.DAEMON-CALLER-ARGS.): (INIT #<DTP-LOCATIVE 11116401>)

TV:MAKE-WINDOW:  (P.C. = 212)
   Arg 0 (FLAVOR-NAME): ZWEI:ZMACS-MODE-LINE-WINDOW
   Rest arg (OPTIONS): (TAB-NCHARS 8 MORE-P NIL CR-NOT-NEWLINE-FLAG 1 TRUNCATE-LINE-OUT-FLAG 1 BLINKER-DESELECTED-VISIBILITY OFF ...)

ZWEI:INITIALIZE-MINI-BUFFER-WINDOW:  (P.C. = 64)
   Arg 0 (NLINES): 1
   Arg 1 (SUPERIOR): #<ZMACS-FRAME Zmacs Frame 2 20556321 deactivated>
   Arg 2 (MODE-LINE-FLAVOR): ZWEI:ZMACS-MODE-LINE-WINDOW
   Arg 3 (IO-BUFFER): #<IO-BUFFER 2015544: empty, State: NIL>
   Rest arg (OPTIONS): (BOTTOM 597 EXPOSE-P T)

(METHOD ZWEI:ZWEI-FRAME AFTER INIT):  (P.C. = 70)
   (SELF = #<ZMACS-FRAME Zmacs Frame 2 20556321 deactivated>)
   Arg 0 (OPERATION): INIT
   Arg 1 (INIT-PLIST): #<DTP-LOCATIVE 11116235>

Rest of stack:
(METHOD ZWEI:ZMACS-FRAME COMBINED INIT):  (P.C. = 141)
TV:MAKE-WINDOW:  (P.C. = 212)
(METHOD TV:BASIC-CONSTRAINT-FRAME CREATE-PANE):  (P.C. = 32)
(DEFUN-METHOD TV:CONSTRAINT-FRAME-WINDOWS):  (P.C. = 50)
(DEFUN-METHOD TV:CONSTRAINT-FRAME-PROCESS-CONSTRAINTS):  (P.C. = 104)
(METHOD TV:BASIC-CONSTRAINT-FRAME AFTER INIT):  (P.C. = 46)
(METHOD TV:BORDERED-CONSTRAINT-FRAME COMBINED INIT):  (P.C. = 137)
TV:MAKE-WINDOW:  (P.C. = 212)
SI:*EVAL:  (P.C. = 653)
ZWEI:DO-IT-MULTIPLE-EVAL:  (P.C. = 43)
ZWEI:DO-IT-EVAL-PRINT:  (P.C. = 141)
ZWEI:DO-IT-EVAL-AND-PRINT-FORMS:  (P.C. = 30)
ZWEI:DO-IT:  (P.C. = 140)
ZWEI:COM-DO-IT:  (P.C. = 30)
ZWEI:COMMAND-EXECUTE:  (P.C. = 100)
ZWEI:PROCESS-COMMAND-CHAR:  (P.C. = 67)
(METHOD ZWEI:EDITOR EDIT):  (P.C. = 377)
(METHOD ZWEI:TOP-LEVEL-EDITOR COMBINED EDIT):  (P.C. = 102)
ZWEI:ZMACS-WINDOW-TOP-LEVEL:  (P.C. = 52)
SI:PROCESS-TOP-LEVEL:  (P.C. = 125)