Kai:
>        Why does the face/color not get set to what I would expect, but 
black 
> instead?
>              toggle_start: toggle  60  "Start" mint  
>                      [
>                        face/color:   pick [yellow red]     face/data   
>                        face/texts/1: pick ["Stop" "Start"] face/data
>                        show face
>                      ]

'yellow and 'red aren't being interpreted as RGB tuple numbers -- they are 
being seen as words in a block. Try this:

 unview/all
 view layout [
  toggle_start: toggle  60  "Start" "Stop" mint  
                    [
                      face/color:   pick reduce [to tuple! yellow to tuple! 
red]     face/data   
                      show face
                    ]
]

(As Gregg has gently pointed out, the whole pick thing for the text is 
over-engineered. Just list the texts as part of the toggle -- as above).

Sunanda.
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