diff --git a/configure.in b/configure.in
index 4ba083cc..0d82e8ad 100644
--- a/configure.in
+++ b/configure.in
@@ -37,6 +37,19 @@ AC_CHECK_HEADERS(string.h stdlib.h unistd.h dirent.h sys/ioctl.h libintl.h)
 # check posix headers..
 AC_CHECK_HEADERS(sys/time.h sys/utsname.h regex.h)
 
+AC_ARG_WITH(big5,
+[  --with-big5             Build with tr-Chinese Big5 support],
+	if test x$withval = xyes; then
+		want_big5=yes
+	else
+		if test "x$withval" = xno; then
+			want_big5=no
+		else
+			want_big5=yes
+		fi
+	fi,
+	want_big5=no)
+
 AC_ARG_WITH(socks,
 [  --with-socks            Build with socks support],
 	if test x$withval = xyes; then
@@ -683,6 +696,14 @@ if test "x$want_memdebug" = "xyes"; then
 fi
 AM_CONDITIONAL(BUILD_MEMDEBUG, test "x$want_memdebug" = "xyes")
 
+dnl **
+dnl ** tr-Chinese Big5 support
+dnl **
+
+if test "x$want_big5" = "xyes"; then
+	AC_DEFINE(WANT_BIG5)
+fi
+
 dnl **
 dnl ** IPv6 support
 dnl **
diff --git a/src/fe-text/gui-entry.c b/src/fe-text/gui-entry.c
index f60525b9..7544539a 100644
--- a/src/fe-text/gui-entry.c
+++ b/src/fe-text/gui-entry.c
@@ -152,6 +152,11 @@ void gui_entry_erase(int size)
 {
 	if (pos < size) return;
 
+#ifdef WANT_BIG5
+	if (is_big5(entry->str[pos-2], entry->str[pos-1]))
+		size++;
+#endif WANT_BIG5
+
 	pos -= size;
 	g_string_erase(entry, pos, size);
 
@@ -217,6 +222,13 @@ void gui_entry_set_pos(int p)
 
 void gui_entry_move_pos(int p)
 {
+#ifdef WANT_BIG5
+	if (p > 0 && is_big5 (entry->str[pos], entry->str[pos+1]))
+		p++;
+	else if (p < 0 && is_big5 (entry->str[pos-1], entry->str[pos]))
+		p--;
+#endif WANT_BIG5
+
 	if (pos+p >= 0 && pos+p <= entry->len)
 		pos += p;
 
diff --git a/src/fe-text/screen.h b/src/fe-text/screen.h
index 49ae79eb..c1449bfb 100644
--- a/src/fe-text/screen.h
+++ b/src/fe-text/screen.h
@@ -16,6 +16,21 @@
 #define ATTR_COLOR8    0x200
 #define ATTR_REVERSE   0x400
 
+/* XXX I hope this could be integrated into BX.
+ * XXX Well, this should be done via libc,
+ *     but FreeBSD libc support is quite LAME.
+ *     Macro below are copied from lynx.
+ *
+ *				clive@FreeBSD.org
+ */
+#ifdef WANT_BIG5
+/* XXX I didn't check the encoding range of big5+. This is standard big5. */
+#define is_big5_los(lo) (((char)0x40<=lo)&&(lo<=(char)0x7E))	/* standard */
+#define is_big5_lox(lo) (((char)0x80<=lo)&&(lo<=(char)0xFE))	/* extended */
+#define is_big5_hi(hi)  (((char)0x81<=hi)&&(hi<=(char)0xFE))
+#define is_big5(hi,lo) is_big5_hi(hi) && (is_big5_los(lo) || is_big5_lox(lo))
+#endif WANT_BIG5
+
 int init_screen(void); /* Initialize screen, detect screen length */
 void deinit_screen(void); /* Deinitialize screen */