Handling of tabs is rationalized a bit. More than one file can be given at startup in command prompt. If there is no file given in command prompt, an empty tab will be present at startup.
    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 \