version 5.26.0 (windows gcl) inserts
(false) in front of the usual display
command output.
(only checked console mode and xmaxima interfaces)
-------------------------------------
Maxima 5.26.0 http://maxima.sourceforge.net
using Lisp GNU Common Lisp (GCL) GCL 2.6.8 (a.k.a. GCL)
(%i1) a;
(%o1) a
(%i2) display(a)$
(false) a = a
(%i3) a:3$
(%i4) display(a)$
(false) a = 3
(%i5) build_info()$
Maxima version: 5.26.0
Maxima build date: 22:48 1/15/2012
Host type: i686-pc-mingw32
Lisp implementation type: GNU Common Lisp (GCL)
Lisp implementation version: GCL 2.6.8
-----------------------------
This behavior does not occur in 5.25.1
Ted Woollett