It was sitting there, in the patches directory, for years. It was delete it

or apply it.  It's small, simple, evil, part of SUSv3, and we can switch it
off.

editors/Config.in

@@ -20,6 +20,14 @@ config CONFIG_FEATURE_AWK_MATH
 	  Enable math functions of the Awk programming language.
 	  NOTE: This will require libm to be present for linking.
 
+config CONFIG_ED
+	bool "ed"
+	default n
+	help
+	  The original 1970's Unix text editor, from the days of teletypes.
+	  Small, simple, evil.  Part of SUSv3.  If you're not already using
+	  this, you don't need it.
+
 config CONFIG_PATCH
 	bool "patch"
 	default n

editors/Makefile.in

@@ -12,6 +12,7 @@ srcdir=$(top_srcdir)/editors
 
 EDITOR-y:=
 EDITOR-$(CONFIG_AWK)       += awk.o
+EDITOR-$(CONFIG_ED)        += ed.o
 EDITOR-$(CONFIG_PATCH)     += patch.o
 EDITOR-$(CONFIG_SED)       += sed.o
 EDITOR-$(CONFIG_VI)        += vi.o

include/applets.h

@@ -95,10 +95,11 @@ USE_DPKG(APPLET(dpkg, dpkg_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_DPKG_DEB(APPLET_ODDNAME(dpkg-deb, dpkg_deb_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER, dpkg_deb))
 USE_DU(APPLET(du, du_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_DUMPKMAP(APPLET(dumpkmap, dumpkmap_main, _BB_DIR_BIN, _BB_SUID_NEVER))
-USE_DUMPLEASES(APPLET(dumpleases, dumpleases_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+//USE_DUMPLEASES(APPLET(dumpleases, dumpleases_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_E2FSCK(APPLET(e2fsck, e2fsck_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_E2LABEL(APPLET_NOUSAGE(e2label, tune2fs_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_ECHO(APPLET(echo, echo_main, _BB_DIR_BIN, _BB_SUID_NEVER))
+USE_ED(APPLET(ed, ed_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_FEATURE_GREP_EGREP_ALIAS(APPLET_NOUSAGE(egrep, grep_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_EJECT(APPLET(eject, eject_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_ENV(APPLET(env, env_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
@@ -273,8 +274,8 @@ USE_TRACEROUTE(APPLET(traceroute, traceroute_main, _BB_DIR_USR_BIN, _BB_SUID_MAY
 USE_TRUE(APPLET(true, true_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_TTY(APPLET(tty, tty_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_TUNE2FS(APPLET(tune2fs, tune2fs_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
-USE_UDHCPC(APPLET(udhcpc, udhcpc_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
-USE_UDHCPD(APPLET(udhcpd, udhcpd_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
+//USE_UDHCPC(APPLET(udhcpc, udhcpc_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
+//USE_UDHCPD(APPLET(udhcpd, udhcpd_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
 USE_UMOUNT(APPLET(umount, umount_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_UNAME(APPLET(uname, uname_main, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_UNCOMPRESS(APPLET(uncompress, uncompress_main, _BB_DIR_BIN, _BB_SUID_NEVER))

include/usage.h

@@ -626,6 +626,9 @@ USE_FEATURE_DATE_ISOFMT( \
 	"Options:\n" \
 	"\t-t\tclose tray"
 
+#define ed_trivial_usage ""
+#define ed_full_usage ""
+
 #define env_trivial_usage \
 	"[-iu] [-] [name=value]... [command]"
 #define env_full_usage \