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    pcxY2()

         Returns the final coordinate Y of the PCX

    Syntax:

         pcxY2 ( cFile ) -> cCoorY2

         cFile : Name of the PCX file

    Description:

         It returns the final coordinate Y of the PCX file. This value
         usually determines on its own the PCX heigth, even when the exact
         value would be like:

                nAltura := pcxY2 - pcxY1 + 1

         But due to the pcxY1 usually takes value 0, the value pcxY2 + 1
         indicates the heigth by itself.

    Return:

         The value of the final coordinate Y.

    Example:

         ? pcxY2 ( "c:\fast\lib\fast.pcx" )