Previous commit of adding ut to xterm entry broke kterm-color entry. 3 bytes (ut:) seems too long for kterm-color.  There is a limitation of buffer size within 1024 bytes in our ncurses.
Previous commit of adding ut to xterm entry broke kterm-color entry.
3 bytes (ut:) seems too long for kterm-color.  There is a limitation
of buffer size within 1024 bytes in our ncurses.

Submitted by:	mistral@imasy.or.jp
Reviewed by:	matusita
MFC after:	1 day

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