hangul-to-hanja-conversion. Bind Hangul_Hanja to the same command.
`((global [?\S- ] toggle-korean-input-method nil)
(global [Hangul] toggle-korean-input-method nil)
(global [C-f9] quail-hangul-switch-symbol-ksc nil)
- (global [f9] quail-hangul-switch-hanja nil)
+ (global [f9] hangul-to-hanja-conversion nil)
+ (global [Hangul_Hanja] hangul-to-hanja-conversion nil)
(,isearch-mode-map [?\S- ] isearch-toggle-korean-input-method nil)
(,isearch-mode-map [Hangul] isearch-toggle-korean-input-method nil)
(,isearch-mode-map [C-f9] isearch-hangul-switch-symbol-ksc nil)