diff --git a/modules/src/em_code/C_out.c b/modules/src/em_code/C_out.c
index 75e6aebe..976d9c07 100644
--- a/modules/src/em_code/C_out.c
+++ b/modules/src/em_code/C_out.c
@@ -6,6 +6,8 @@
 #include <em_ptyp.h>
 #include <em_private.h>
 
+/* $Header$ */
+
 static arg();
 static pseudo();
 
diff --git a/modules/src/em_code/bhcst.c b/modules/src/em_code/bhcst.c
index 76e730b4..8e44cd54 100644
--- a/modules/src/em_code/bhcst.c
+++ b/modules/src/em_code/bhcst.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhcst(op, n, w, i)
 	arith n;
 	arith w;
diff --git a/modules/src/em_code/bhdlb.c b/modules/src/em_code/bhdlb.c
index 3b7a7014..a94796c9 100644
--- a/modules/src/em_code/bhdlb.c
+++ b/modules/src/em_code/bhdlb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhdlb(op, n, s, off, i)
 	arith n;
 	label s;
diff --git a/modules/src/em_code/bhdnam.c b/modules/src/em_code/bhdnam.c
index 27b3d85b..cd9bb2f8 100644
--- a/modules/src/em_code/bhdnam.c
+++ b/modules/src/em_code/bhdnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhdnam(op, n, s, off, i)
 	arith n;
 	char *s;
diff --git a/modules/src/em_code/bhfcon.c b/modules/src/em_code/bhfcon.c
index 3296cc2d..558953c0 100644
--- a/modules/src/em_code/bhfcon.c
+++ b/modules/src/em_code/bhfcon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhfcon(op, n, s, sz, i)
 	arith n;
 	char *s;
diff --git a/modules/src/em_code/bhicon.c b/modules/src/em_code/bhicon.c
index e5e935ca..feb330f2 100644
--- a/modules/src/em_code/bhicon.c
+++ b/modules/src/em_code/bhicon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhicon(op, n, s, sz, i)
 	arith n;
 	char *s;
diff --git a/modules/src/em_code/bhilb.c b/modules/src/em_code/bhilb.c
index 5cf595e0..81d53c94 100644
--- a/modules/src/em_code/bhilb.c
+++ b/modules/src/em_code/bhilb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhilb(op, n, l, i)
 	arith n;
 	label l;
diff --git a/modules/src/em_code/bhpnam.c b/modules/src/em_code/bhpnam.c
index 2df31ab9..d0dc0766 100644
--- a/modules/src/em_code/bhpnam.c
+++ b/modules/src/em_code/bhpnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhpnam(op, n, p, i)
 	arith n;
 	char *p;
diff --git a/modules/src/em_code/bhucon.c b/modules/src/em_code/bhucon.c
index f4b7050c..9fd5d304 100644
--- a/modules/src/em_code/bhucon.c
+++ b/modules/src/em_code/bhucon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_bhucon(op, n, s, sz, i)
 	arith n;
 	char *s;
diff --git a/modules/src/em_code/crcst.c b/modules/src/em_code/crcst.c
index 402efcd9..414b6135 100644
--- a/modules/src/em_code/crcst.c
+++ b/modules/src/em_code/crcst.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crcst(op, v)
 	arith v;
 {
diff --git a/modules/src/em_code/crdlb.c b/modules/src/em_code/crdlb.c
index 49d1a1b8..ff44a560 100644
--- a/modules/src/em_code/crdlb.c
+++ b/modules/src/em_code/crdlb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crdlb(op, v, off)
 	label v;
 	arith off;
diff --git a/modules/src/em_code/crdnam.c b/modules/src/em_code/crdnam.c
index 735563ad..ab398dd4 100644
--- a/modules/src/em_code/crdnam.c
+++ b/modules/src/em_code/crdnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crdnam(op, s, off)
 	char *s;
 	arith off;
diff --git a/modules/src/em_code/crfcon.c b/modules/src/em_code/crfcon.c
index c115b2ae..189f92ae 100644
--- a/modules/src/em_code/crfcon.c
+++ b/modules/src/em_code/crfcon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crfcon(op, v, s)
 	char *v;
 	arith s;
diff --git a/modules/src/em_code/cricon.c b/modules/src/em_code/cricon.c
index d1af51c5..d0518649 100644
--- a/modules/src/em_code/cricon.c
+++ b/modules/src/em_code/cricon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_cricon(op, v, s)
 	char *v;
 	arith s;
diff --git a/modules/src/em_code/crilb.c b/modules/src/em_code/crilb.c
index 63e39b90..e43268af 100644
--- a/modules/src/em_code/crilb.c
+++ b/modules/src/em_code/crilb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crilb(op, l)
 	label l;
 {
diff --git a/modules/src/em_code/crpnam.c b/modules/src/em_code/crpnam.c
index 8fe75a72..a31aa82f 100644
--- a/modules/src/em_code/crpnam.c
+++ b/modules/src/em_code/crpnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crpnam(op, p)
 	char *p;
 {
diff --git a/modules/src/em_code/crscon.c b/modules/src/em_code/crscon.c
index 1b77c46c..6b6dd563 100644
--- a/modules/src/em_code/crscon.c
+++ b/modules/src/em_code/crscon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crscon(op, v, s)
 	char *v;
 	arith s;
diff --git a/modules/src/em_code/crucon.c b/modules/src/em_code/crucon.c
index aa0ef1a6..46b7a007 100644
--- a/modules/src/em_code/crucon.c
+++ b/modules/src/em_code/crucon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_crucon(op, v, s)
 	char *v;
 	arith s;
diff --git a/modules/src/em_code/cst.c b/modules/src/em_code/cst.c
index e5f86068..4adfd3bd 100644
--- a/modules/src/em_code/cst.c
+++ b/modules/src/em_code/cst.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_cst(l)
 	arith l;
 {
diff --git a/modules/src/em_code/dfdlb.c b/modules/src/em_code/dfdlb.c
index e29affb3..aed1dd9f 100644
--- a/modules/src/em_code/dfdlb.c
+++ b/modules/src/em_code/dfdlb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_dfdlb(l)
 	label l;
 {
diff --git a/modules/src/em_code/dfdnam.c b/modules/src/em_code/dfdnam.c
index c49c676b..ab533838 100644
--- a/modules/src/em_code/dfdnam.c
+++ b/modules/src/em_code/dfdnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_dfdnam(s)
 	char *s;
 {
diff --git a/modules/src/em_code/dfilb.c b/modules/src/em_code/dfilb.c
index 14bb79c7..9b87cbb2 100644
--- a/modules/src/em_code/dfilb.c
+++ b/modules/src/em_code/dfilb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_dfilb(l)
 	label l;
 {
diff --git a/modules/src/em_code/dlb.c b/modules/src/em_code/dlb.c
index 75018dca..8e191357 100644
--- a/modules/src/em_code/dlb.c
+++ b/modules/src/em_code/dlb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_dlb(l, val)
 	label l;
 	arith val;
diff --git a/modules/src/em_code/dnam.c b/modules/src/em_code/dnam.c
index 95388c1d..6b414d6a 100644
--- a/modules/src/em_code/dnam.c
+++ b/modules/src/em_code/dnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_dnam(str, val)
 	char *str;
 	arith val;
diff --git a/modules/src/em_code/em.nogen b/modules/src/em_code/em.nogen
index 156299b3..3b089b4b 100644
--- a/modules/src/em_code/em.nogen
+++ b/modules/src/em_code/em.nogen
@@ -6,6 +6,8 @@
   C_magic	|	| <hand-written>
 */
 
+/* $Header$ */
+
 #define C_df_dlb(l)	CC_dfdlb(l)
 #define C_df_dnam(s)	CC_dfdnam(s)
 #define C_df_ilb(l)	CC_dfilb(l)
diff --git a/modules/src/em_code/end.c b/modules/src/em_code/end.c
index a8e0e4b6..bf3c42c9 100644
--- a/modules/src/em_code/end.c
+++ b/modules/src/em_code/end.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_end(l)
 	arith l;
 {
diff --git a/modules/src/em_code/endarg.c b/modules/src/em_code/endarg.c
index b7f8db05..d9419f7a 100644
--- a/modules/src/em_code/endarg.c
+++ b/modules/src/em_code/endarg.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_endnarg()
 {
 	/*	END pseudo of procedure with unknown # of locals
diff --git a/modules/src/em_code/exc.c b/modules/src/em_code/exc.c
index 7f83aaa4..887e248d 100644
--- a/modules/src/em_code/exc.c
+++ b/modules/src/em_code/exc.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_exc(c1,c2)
 	arith c1,c2;
 {
diff --git a/modules/src/em_code/fcon.c b/modules/src/em_code/fcon.c
index 1102e9f5..162573c8 100644
--- a/modules/src/em_code/fcon.c
+++ b/modules/src/em_code/fcon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_fcon(val, siz)
 	char *val;
 	arith siz;
diff --git a/modules/src/em_code/icon.c b/modules/src/em_code/icon.c
index 8d06dff5..3785b3f0 100644
--- a/modules/src/em_code/icon.c
+++ b/modules/src/em_code/icon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_icon(val, siz)
 	char *val;
 	arith siz;
diff --git a/modules/src/em_code/ilb.c b/modules/src/em_code/ilb.c
index 77d4b903..c3c209ed 100644
--- a/modules/src/em_code/ilb.c
+++ b/modules/src/em_code/ilb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_ilb(l)
 	label l;
 {
diff --git a/modules/src/em_code/insert.h b/modules/src/em_code/insert.h
index 0884deda..9b36731a 100644
--- a/modules/src/em_code/insert.h
+++ b/modules/src/em_code/insert.h
@@ -4,6 +4,8 @@
    end-pointer.
 */
 
+/* $Header$ */
+
 #include <system.h>
 #include <local.h>
 
diff --git a/modules/src/em_code/msend.c b/modules/src/em_code/msend.c
index d4d9cca9..f7cdb4cc 100644
--- a/modules/src/em_code/msend.c
+++ b/modules/src/em_code/msend.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_msend()
 {
 	CEND();
diff --git a/modules/src/em_code/msstart.c b/modules/src/em_code/msstart.c
index 192e40f7..9ecf3983 100644
--- a/modules/src/em_code/msstart.c
+++ b/modules/src/em_code/msstart.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_msstart(cst)
 	int cst;
 {
diff --git a/modules/src/em_code/op.c b/modules/src/em_code/op.c
index a9aafa30..d57f9e67 100644
--- a/modules/src/em_code/op.c
+++ b/modules/src/em_code/op.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_op(opcode)
 {
 	/*	Instruction that never has an argument
diff --git a/modules/src/em_code/opcst.c b/modules/src/em_code/opcst.c
index 6eba2f9a..98ce4b25 100644
--- a/modules/src/em_code/opcst.c
+++ b/modules/src/em_code/opcst.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_opcst(opcode, cst)
 	arith cst;
 {
diff --git a/modules/src/em_code/opdlb.c b/modules/src/em_code/opdlb.c
index 240f4caa..7b7d3df5 100644
--- a/modules/src/em_code/opdlb.c
+++ b/modules/src/em_code/opdlb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_opdlb(opcode, dlb, offset)
 	label dlb;
 	arith offset;
diff --git a/modules/src/em_code/opdnam.c b/modules/src/em_code/opdnam.c
index 90537f10..a40a0f28 100644
--- a/modules/src/em_code/opdnam.c
+++ b/modules/src/em_code/opdnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_opdnam(opcode, dnam, offset)
 	char *dnam;
 	arith offset;
diff --git a/modules/src/em_code/opilb.c b/modules/src/em_code/opilb.c
index 7465583b..35c4763d 100644
--- a/modules/src/em_code/opilb.c
+++ b/modules/src/em_code/opilb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_opilb(opcode, ilb)
 	label ilb;
 {
diff --git a/modules/src/em_code/opnarg.c b/modules/src/em_code/opnarg.c
index c2b15a9b..62e3bfef 100644
--- a/modules/src/em_code/opnarg.c
+++ b/modules/src/em_code/opnarg.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_opnarg(opcode)
 {
 	/*	Instruction with optional argument, but now without one
diff --git a/modules/src/em_code/oppnam.c b/modules/src/em_code/oppnam.c
index e9261a01..756e4c78 100644
--- a/modules/src/em_code/oppnam.c
+++ b/modules/src/em_code/oppnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_oppnam(opcode, pnam)
 	char *pnam;
 {
diff --git a/modules/src/em_code/pnam.c b/modules/src/em_code/pnam.c
index bad84317..6de38647 100644
--- a/modules/src/em_code/pnam.c
+++ b/modules/src/em_code/pnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_pnam(str)
 	char *str;
 {
diff --git a/modules/src/em_code/pro.c b/modules/src/em_code/pro.c
index 5fe987d6..28c1608a 100644
--- a/modules/src/em_code/pro.c
+++ b/modules/src/em_code/pro.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_pro(pnam, l)
 	char *pnam;
 	arith l;
diff --git a/modules/src/em_code/pronarg.c b/modules/src/em_code/pronarg.c
index b306752c..f3a1b93e 100644
--- a/modules/src/em_code/pronarg.c
+++ b/modules/src/em_code/pronarg.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_pronarg(pnam)
 	char *pnam;
 {
diff --git a/modules/src/em_code/psdlb.c b/modules/src/em_code/psdlb.c
index 611e71fe..4a1c6be3 100644
--- a/modules/src/em_code/psdlb.c
+++ b/modules/src/em_code/psdlb.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_psdlb(op, dlb)
 	label dlb;
 {
diff --git a/modules/src/em_code/psdnam.c b/modules/src/em_code/psdnam.c
index b92fb3f1..d903d7bb 100644
--- a/modules/src/em_code/psdnam.c
+++ b/modules/src/em_code/psdnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_psdnam(op, dnam)
 	char *dnam;
 {
diff --git a/modules/src/em_code/pspnam.c b/modules/src/em_code/pspnam.c
index a3601fc7..3a4bd369 100644
--- a/modules/src/em_code/pspnam.c
+++ b/modules/src/em_code/pspnam.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_pspnam(op, pnam)
 	char *pnam;
 {
diff --git a/modules/src/em_code/scon.c b/modules/src/em_code/scon.c
index 8948a491..c900b273 100644
--- a/modules/src/em_code/scon.c
+++ b/modules/src/em_code/scon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_scon(str, siz)
 	char *str;
 	arith siz;
diff --git a/modules/src/em_code/ucon.c b/modules/src/em_code/ucon.c
index 1596a043..b24d3438 100644
--- a/modules/src/em_code/ucon.c
+++ b/modules/src/em_code/ucon.c
@@ -1,5 +1,7 @@
 #include "em_private.h"
 
+/* $Header$ */
+
 CC_ucon(val,siz)
 	char *val;
 	arith siz;