This is a self-followup on the report below.
kuro>
kuro> I ran xemacs -nw within an EUC terminal emulator window, and:
kuro> M-x set-terminal-coding-system euc-japan
kuro> worked fine for displaying the Japanese text.
kuro> I then typed:
kuro> M-X set-keyboard-coding-system euc-japan
kuro> then I entered some Japanese characters. No characters
kuro> were inserted and I've got:
kuro> No word found to check!
kuro> error in the minibuffer.
The exact error message differs depending on the Japanese
character I enter. The point is that the Japanese characters
are not self-inserted and bound to random functions.
-kuro