>I have the following in some code I am trying to debug. Please consider...
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>

on key label LEFTMOUSE
>on key label RIGHTMOUSE keyboard "{ESC}" plain
>on key label ENTER keyboard "{ESC}" plain
>activate window wzlocate

>
>What is plain? I cannot find this word in any documentation. Not even in FPD Help.
>
>TIA

look in the KEYBOARD function help. Here is what it says:

PLAIN
If you have keyboard macros defined or active ON KEY LABEL commands, you can include PLAIN to bypass these key assignments. PLAIN fills the keyboard with the literal key character, not the key assignment.
For example, if you have assigned a command to the A key with ON KEY LABEL and A is included in cKeyboardValue, use PLAIN to place the letter A in the keyboard buffer. The ON KEY LABEL command assigned to A isn't executed.