invalid command name "toplevel"
    while executing
"toplevel ."
    (in namespace eval "::request" script line 3)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
#!/usr/local/bin/wish

toplevel .
frame .f
grid .f -row 0 -column 0 -sticky news

grid columnconfig .f 0 -weight 1

frame .f.f1
frame .f.f2
frame .f.f3

grid .f.f1 -row 0 -column 0 -sticky we
grid .f.f2 -row 1 -column 0 -sticky we
grid .f.f3 -row 2 -column 0 -sticky we

grid columnconfig .f.f1 0 -weight 1
entry .f.f1.e -width 50
grid .f.f1.e -row 0 -column 0 -sticky we

grid columnconfig .f.f2 0 -weight 1
button .f.f2.b1 -text "b1 in f1"
button .f.f2.b2 -text "second in f1"
button .f.f2.b3 -text "hop ! the last"
grid .f.f2.b1 -row 0 -column 0 -sticky w
grid .f.f2.b1 -row 1 -column 0 -sticky w
grid .f.f2.b1 -row 2 -column 0 -sticky e

grid columnconfig .f.f3 0 -weight 1
button .f.f2.b1 -text "b1 in f1"
button .f.f2.b2 -text "second in f1"
button .f.f2.b3 -text "hop ! the last"
grid .f.f2.b1 -row 0 -column 0 -sticky w
grid .f.f2.b1 -row 1 -column 0 -sticky w
grid .f.f2.b1 -row 2 -column 0 -sticky e