#if defined(LNX) || defined(W32)

          -Unicode Combining Character(Diacritical combining).

             OPT UNICOMB [ COMB | SPLIT | UNPR ] [ SHADOW | ITSELF | PADDING | U-xxxx ]

               COMB, SPLIT, UNPR : display combined, split and alternate character each.
               Following 3 operand is for Linux Console version only and specify how to write to screen
               when split mode and combine.(when combine mode, applied only when csr is on the line.)
                 SHADOW : write combining character with base character of the left side.
                 ITSELF : write combining character itself as single.
                 PADDING: write tab display character which is cleared by "TAB OFF" cmd
               U-xxxx : any SBCS unicode you prefere.
               U-00 will restore default value(':'(u-3a)).
               Cmd with no operand shows current status.

              -Cmd input line(2nd line) is always SPLIT mode to enable modify combining char.
              -display characters of wcwidth=0.
               Validity of the combination is not checked.
               (Maximum combination is 4 on Linux console version)
              -Alt+":" is also used to switch display mode Combined-->Split-->Unprintable.
              -Visibility of Linux version depends to Linux distribution.
               Try to switch display mode.
               On Edit/Browse panel, displayed string may shift by cursor position.
              -Linux GUI version(gxe) print combined mode except "Wysiwig" checkbox is ON.


#endif