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

@@ -11,8 +11,9 @@ endif
 srcdir=$(top_srcdir)/editors
 
 EDITOR-y:=
-EDITOR-$(CONFIG_AWK)	   += awk.o
-EDITOR-$(CONFIG_PATCH)	   += patch.o
+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