Evaluated proc check {} {. ✓ }
Evaluated proc checkbox {{filled n}} {. "[check]" }
Evaluated proc checkbox {{filled n}} {. "\[[check]\]" }
Evaluated proc checkbox {filler} {. "\[ $filler\]" }
Evaluated proc checkbox {{filler ""}} {. "\[$filler\]" }
Evaluated proc checkbox {{filler " "}} {. "\[$filler\]" }
Evaluated proc x {} {. ✗ }
Evaluated proc ballot {} {. " [randcheckbox] [randword]    [randcheckbox] [randword]    [randcheckbox] [randword]"}
Evaluated proc randcheckbox {} { . [checkbox] [choose [x] [check]] }
Evaluated proc randcheckbox {} { . [checkbox [choose [x] [check]]] }
Evaluated proc randcheckbox {} { . [checkbox [choose [x] [check] " "]] }