diff -urN delete/Makefile new/delete/Makefile
--- delete/Makefile	1970-01-01 09:00:00.000000000 +0900
+++ new/delete/Makefile	2010-11-21 02:20:51.000000000 +0900
@@ -0,0 +1,18 @@
+INCLUDES = -L/usr/X11R6/lib -I/usr/X11R6/include
+LIBS = -lX11 -lm
+CFLAGS = -Wall -O2
+CC = gcc
+
+OBJS = main.o function.o
+
+delete	: $(OBJS)
+	$(CC) -o delete $(CFLAGS) $(INCLUDES) main.o function.o $(LIBS)
+
+main.o	: main.c
+	$(CC) $(CFLAGS) $(INCLUDES) -c main.c
+
+function.o	: function.c
+	$(CC) $(CFLAGS) $(INCLUDES) -c function.c
+
+clean	:
+	rm -f $(OBJS) delete *.core
diff -urN delete/common.h new/delete/common.h
--- delete/common.h	1970-01-01 09:00:00.000000000 +0900
+++ new/delete/common.h	2010-11-21 02:20:51.000000000 +0900
@@ -0,0 +1,12 @@
+#include	<stdio.h>
+#include	<stdlib.h>
+#include	<string.h>
+#include	<X11/Xlib.h>
+#include	<X11/Xutil.h>
+#include <locale.h>
+
+Display *disp;
+Window  rw;
+GC      rgc;
+//Font    font;
+XFontSet fontset;
diff -urN delete/function.c new/delete/function.c
--- delete/function.c	1970-01-01 09:00:00.000000000 +0900
+++ new/delete/function.c	2010-11-21 02:20:51.000000000 +0900
@@ -0,0 +1,33 @@
+#include	"common.h"
+
+#define LINE_SEP   2
+#define STRING_SEP 6
+
+void delete(char *string)
+{
+    XColor def, closest;
+    int	x, y, width, height;
+    XRectangle ink, logical;
+    
+    XAllocNamedColor(disp, DefaultColormap(disp, 0),
+		     "black", &closest, &def);
+    XSetForeground(disp, rgc, closest.pixel);
+
+    XSetSubwindowMode(disp, rgc, IncludeInferiors);
+
+    width  = DisplayWidth(disp, 0);
+    height = DisplayHeight(disp, 0);
+
+    if(string == NULL) string = "delete";
+
+    XmbTextExtents(fontset, string, strlen(string), &ink, &logical);
+    
+    for(y=0; y<height; y+=logical.height+LINE_SEP){
+	for(x=0; x<width; x+=logical.width+STRING_SEP){
+//	    XDrawString(disp, rw, rgc, x, y, string,
+//			strlen(string));
+	    XmbDrawString(disp, rw, fontset, rgc, x, y, string,
+			  strlen(string));
+	}
+    }
+}
diff -urN delete/main.c new/delete/main.c
--- delete/main.c	1970-01-01 09:00:00.000000000 +0900
+++ new/delete/main.c	2010-11-21 02:20:51.000000000 +0900
@@ -0,0 +1,34 @@
+#include	"common.h"
+
+void delete();
+
+int
+main(int argc, char *argv[])
+{
+    char **ml;
+    int mc;
+    char *ds;
+
+    setlocale(LC_CTYPE, "");
+    
+    disp = XOpenDisplay(NULL);
+    
+    rw = RootWindow(disp, DefaultScreen(disp));
+
+    rgc = XCreateGC(disp, rw, 0, NULL);
+
+//    font = XLoadFont(disp, argv[1]);
+//    XSetFont(disp, rgc, font);
+
+    fontset = XCreateFontSet(disp, "fixed,k14", &ml, &mc, &ds);
+    
+    delete(argv[1]);
+
+    XFreeFontSet(disp, fontset);
+//    XUnloadFont(disp, font);
+    XFreeGC(disp, rgc);
+
+    XCloseDisplay(disp);
+
+    exit(0);
+}