Imaxima bug



With latest cvs and cmucl, Imaxima seems to invert the case of all
characters.  Here is a (text version) of what I'm seeing:

; In: LAMBDA (X L R)

;   (IF (ATOM #) (PROGN # #) (SETQ L # R #) (NCONC L # R))
; Error: Error while parsing arguments to special form IF:
; Invalid number of elements in:
;   ((ATOM (CADR X)) (PROGN (SETQ L # R #) (NCONC L # R))
;    (SETQ L (TEX # # NIL LOP ...) R (NCONC # R)) (NCONC L (LIST "}{")
R))
; to satisfy lambda-list: ..
; 
;   #'(LAMBDA (X L R) (BLOCK TEX-ARRAY #))
; Note: Variable L defined but never used.
; 
; Note: Variable R defined but never used.
Maxima 5.9.1.1cvs http://maxima.sourceforge.net
Using Lisp CMU Common Lisp 19a
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
This is a development version of Maxima. The function bug_report()
provides bug reporting information.
(%I1) integrate(sin(x),x);
(%O1)                         -cos X
(%I2) 

Anybody have an idea what's going on here?  (I'm trying to make the
screenshots for 5.9.2.  I'm getting odd wxmaxima behavior too but
that's another email.)

Cheers,
CY

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