invalid command name "labelframe"
    while executing
"labelframe .f1 -text "Frame 1""
    (in namespace eval "::request" script line 4)
    invoked from within
"namespace eval ::request $script"
    ("::try" body line 12)
OUTPUT BUFFER:
#!/usr/local/bin/wish


labelframe .f1 -text "Frame 1"
pack .f1 -fill x
labelframe .f2 -text "Frame 2"
pack .f2 -fill x

entry .f1.e -bg white -bd 2
button .f1.b1 -text "button 1 f1"
button .f1.b2 -text "The button 2 of f1"
button .f1.b3 -text "b 3 f1"
button .f1.b4 -text "button 4 f1"

grid .f1.e  -row 0 -column 0 -columnspan 2 -sticky nsew
grid .f1.b1 -row 0 -column 2 -sticky nsew
grid .f1.b2 -row 1 -column 0 -sticky nsew
grid .f1.b3 -row 1 -column 1 -sticky nsew
grid .f1.b4 -row 1 -column 2 -sticky nsew

button .f2.b1 -text "button 1 f2"
button .f2.b2 -text "button 2 f2"
grid .f2.b1 -row 0 -column 0 -sticky nsew
grid .f2.b2 -row 0 -column 1 -sticky nsew

grid columnconfigure .f2 0 -weight 1
grid columnconfigure .f2 1 -weight 1
grid columnconfigure .f1 0 -weight 1
grid columnconfigure .f1 1 -weight 1
grid columnconfigure .f1 2 -weight 1