Hilited Text in a button

[Graham]

In the property inspector for a rectangular button (RR2.0.1, Windows XP), 
the 'Colors & Patterns' section has a property called 'Hilited Text'. I 
can't work out from the TD what property is being affected by this - it 
looks from experiment like the hilite color for the button itself, 
certainly not the text. In fact I can't work out how to change the button's 
hilited text color from the PI at all.

BTW, there's a property with no explanatory text below this in the same PI 
which on my machine can be cleared but not set. Wonder what this is.

Clarifications, anyone?

Graham

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Graham Samuel / The Living Fossil Co. / UK & France