Known bugs are eliminated from gui, and new ones are created by changing tool selectors to special radiobuttons, and by adding edgecreation-canceller function (right-click on any group element).
    13   optarg=`expr "x$option" : 'x[^=]*=\(.*\)'`
 
    32   -h, --help            display this help and exit
 
    33       --amver=VERSION   use VERSION version of automake
 
    34       --acver=VERSION   use VERSION version of autoconf
 
    37   $0 --amver=1.8 --acver=2.59
 
    44 $0: unrecognized option: $option
 
    45 Try \`$0 --help' for more information.
 
    60   automake=automake-$amver
 
    61   aclocal=aclocal-$amver
 
    66   autoconf=autoconf-$acver
 
    67   autoheader=autoheader-$acver
 
    72 && libtoolize --force --copy \
 
    74 && $automake --add-missing --copy --gnu \