X11의 app-defaults 디렉토리에
Emacs 를 두고
이렇게 하세욤
 Emacs.pane.menubar.font: -sun-fixed-medium-r-normal--12-*-*-*-*-*-iso8859-*
Emacs.menu*.font: -sun-fixed-medium-r-normal--12-*-*-*-*-*-iso8859-*
Emacs.dialog*.font: -sun-fixed-medium-r-normal--12-*-*-*-*-*-iso8859-*
 Emacs.Font:-*-*-medium-r-normal-*-12-*-*-*-*-*-fontset-baekmuk_gulim
 Emacs.Fontset-0:-*-*-medium-r-normal-*-12-*-*-*-*-*-fontset-baekmuk_gulim,
          ascii:-sun-fixed-medium-r-normal--12-*-*-*-*-*-iso8859-*,
 korean-ksc5601:-*-roundgothic-medium-r-normal--12-*-*-*-*-*-ksc5601.1987-*
 Emacs.Fontset-1:-*-*-medium-r-normal-*-14-*-*-*-*-*-fontset-baekmuk_gulim,
          ascii:-sun-fixed-medium-r-normal--14-*-*-*-*-*-iso8859-*,
 korean-ksc5601:-*-roundgothic-medium-r-normal--14-*-*-*-*-*-ksc5601.1987-*
 본인은 썬 폰트를 쓰는 관계로...