Display a Memo in a box on the screen
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 Syntax

         GT_Memo(<cText>,[<cTitle>],[<cColour>], ;
             [<cBoxLines>],[<nTop>],[<nLeft>],[<nBottom>], ;
             [<nRight>],[<lEdit>],[<lScreen>]) => cText

 Arguments:

       <cText> is the Memo to display.
       <cTitle> is an optional title for the window.
       <cColour> is an optional colour string.
       <cBoxLines> are the optional box lines to use.
       <nTop>,<nLeft>,<nBottom>,<nRight> are the
       corners of the box. As many or as few of these may
       be used as required. The default is to use most of
       the screen.
       <lScreen> Restore screen after use ? (Default .T.)

 Returns:

       cText

 Description:

       Display a Memo in a box on the screen. Optionally
       allow editing or just viewing.

 Examples:

 Source: GT_MEMO.PRG

 Author:  Martin Bryant