matchText, does it really exist?

[Bert Shuler]

This code is from the docs, but seems to fail as if matchText is not a  
function.

on mouseUp
   matchText("Goodbye","bye")
end mouseUp

executing at 4:09:47 PM
Type	Handler: can't find handler
Object	Button
Line	matchText("Goodbye","bye")
Hint	matchText

Any Ideas?

Bert