FT_SHIFT()
 Determine status of shift key
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 Syntax

      FT_SHIFT() -> lValue

 Arguments

     None

 Returns

     .T. if a shift key is pressed, .F. if otherwise.

 Description

     This function is useful for times you need to know whether or not the
     shift key is pressed, such as during a MemoEdit().

 Examples

     IF FT_SHIFT()
        @24, 0 say "Shift"
     ELSE
        @24, 0 say "     "
     ENDIF

 Source: SHIFT.C

 Author: Ted Means