diff --git a/Makefile b/Makefile
index d671b23..d1e1edb 100644
--- a/Makefile
+++ b/Makefile
@@ -111,10 +111,11 @@ SCSHVMHACKS = scsh/proc2.o
 
 #JMG: and it's object files
 #JMG left out: scsh/re.o scsh/re1.o  	scsh/regexp/regexp.o  	scsh/regexp/regsub.o 
-# 	scsh/fdports1.o 
-# 	scsh/rdelim.o 
+# 	
+# 	
 SCSHOBJS = \
 	scsh/dirstuff1.o \
+	scsh/fdports1.o \
 	scsh/flock.o scsh/flock1.o \
 	scsh/machine/stdio_dep.o \
 	scsh/machine/time_dep1.o \
@@ -122,6 +123,7 @@ SCSHOBJS = \
 	scsh/machine/libansi.o \
 	scsh/network.o scsh/network1.o \
 	scsh/putenv.o \
+	scsh/rdelim.o \
 	scsh/rx/re-low.o scsh/rx/re1.o \
 	scsh/select.o scsh/select1.o \
 	scsh/sleep1.o \
@@ -158,8 +160,8 @@ enough: $(VM) $(IMAGE) go $(LIBCIG) scsh $(LIBSCSH)
 # External code to include in the VM
 # After changing any of these you should delete `scheme48vm' and remake it.
 
-CIGGED = flock network  select syscalls tty time sighandlers re_low
-#re rdelim
+CIGGED = flock network  select syscalls tty time sighandlers re_low rdelim
+#re 
 CIGGEDOBJ = $(patsubst %,scsh/%.o, $(CIGGED))
 CIGGEDINIT = $(patsubst %,s48_init_%, $(CIGGED))
 
@@ -216,7 +218,7 @@ scsh/userinfo1.o: scsh/userinfo1.h
 scsh/fdports1.o	  scsh/fdports.o:  scsh/fdports1.h
 scsh/flock1.o	  scsh/flock.o:	   scsh/flock1.h
 scsh/network1.o	  scsh/network.o:  scsh/network1.h
-scsh/re1.o	  scsh/re.o:	   scsh/re1.h
+#JMG exists no longer in 0.5.2scsh/re1.o	  scsh/re.o:	   scsh/re1.h
 scsh/select1.o	  scsh/select.o:   scsh/select1.h
 scsh/syscalls1.o  scsh/syscalls.o: scsh/syscalls1.h
 scsh/time1.o	  scsh/time.o:	   scsh/time1.h
diff --git a/Makefile.in b/Makefile.in
index 50ccf56..c30167d 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -111,10 +111,11 @@ SCSHVMHACKS = scsh/proc2.o
 
 #JMG: and it's object files
 #JMG left out: scsh/re.o scsh/re1.o  	scsh/regexp/regexp.o  	scsh/regexp/regsub.o 
-# 	scsh/fdports1.o 
-# 	scsh/rdelim.o 
+# 	
+# 	
 SCSHOBJS = \
 	scsh/dirstuff1.o \
+	scsh/fdports1.o \
 	scsh/flock.o scsh/flock1.o \
 	scsh/machine/stdio_dep.o \
 	scsh/machine/time_dep1.o \
@@ -122,6 +123,7 @@ SCSHOBJS = \
 	scsh/machine/libansi.o \
 	scsh/network.o scsh/network1.o \
 	scsh/putenv.o \
+	scsh/rdelim.o \
 	scsh/rx/re-low.o scsh/rx/re1.o \
 	scsh/select.o scsh/select1.o \
 	scsh/sleep1.o \
@@ -158,8 +160,8 @@ enough: $(VM) $(IMAGE) go $(LIBCIG) scsh $(LIBSCSH)
 # External code to include in the VM
 # After changing any of these you should delete `scheme48vm' and remake it.
 
-CIGGED = flock network  select syscalls tty time sighandlers re_low
-#re rdelim
+CIGGED = flock network  select syscalls tty time sighandlers re_low rdelim
+#re 
 CIGGEDOBJ = $(patsubst %,scsh/%.o, $(CIGGED))
 CIGGEDINIT = $(patsubst %,s48_init_%, $(CIGGED))
 
@@ -216,7 +218,7 @@ scsh/userinfo1.o: scsh/userinfo1.h
 scsh/fdports1.o	  scsh/fdports.o:  scsh/fdports1.h
 scsh/flock1.o	  scsh/flock.o:	   scsh/flock1.h
 scsh/network1.o	  scsh/network.o:  scsh/network1.h
-scsh/re1.o	  scsh/re.o:	   scsh/re1.h
+#JMG exists no longer in 0.5.2scsh/re1.o	  scsh/re.o:	   scsh/re1.h
 scsh/select1.o	  scsh/select.o:   scsh/select1.h
 scsh/syscalls1.o  scsh/syscalls.o: scsh/syscalls1.h
 scsh/time1.o	  scsh/time.o:	   scsh/time1.h
diff --git a/build/initial.image b/build/initial.image
index 8dd6d29..bc6aace 100644
Binary files a/build/initial.image and b/build/initial.image differ
diff --git a/scheme/interfaces.scm b/scheme/interfaces.scm
index 25fa078..6c4c746 100644
--- a/scheme/interfaces.scm
+++ b/scheme/interfaces.scm
@@ -508,8 +508,9 @@
 	  waiting-for-i/o?              ;scheduler
 
 	  steal-channel-port!		;command
-	  steal-channel!                ;JMG: For scsh.
+	  steal-channel!                ;JMG: 3 For scsh.
 	  steal-port! 
+	  channel-cell-ref
 
 	  input-channel->port           ;usual-resumer posix
 	  output-channel->port          ;usual-resumer posix
diff --git a/scsh/awk.scm b/scsh/awk.scm
index 7654e96..e95dcc4 100644
--- a/scsh/awk.scm
+++ b/scsh/awk.scm
@@ -22,9 +22,6 @@
 ;;; next-range next-:range 		These four functions are used in the
 ;;; next-range: next-:range:			code output by the expander.
 
-;;; This should be hacked to convert regexp strings into regexp structures
-;;; at the top of the form, and then just refer to the structs in the
-;;; tests.
 
 ;;; Examples:
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/scsh/rdelim.c b/scsh/rdelim.c
index ab3d23c..421aecd 100644
--- a/scsh/rdelim.c
+++ b/scsh/rdelim.c
@@ -1,5 +1,6 @@
 /* This is an Scheme48/C interface file, 
 ** automatically generated by a hacked version of cig 3.0.
+step 4
 */
 
 #include <stdio.h>
diff --git a/scsh/rdelim.scm b/scsh/rdelim.scm
index 05a0a91..5b39f82 100644
--- a/scsh/rdelim.scm
+++ b/scsh/rdelim.scm
@@ -199,6 +199,7 @@
 		    (else (string-set! buf i (read-char port))
 			  (lp (+ i 1))))))))))
 
+(foreign-init-name "rdelim")
 
 (foreign-source
   "#include <sys/types.h>"
diff --git a/scsh/rx/spencer.scm b/scsh/rx/spencer.scm
index 2656d48..2b4368f 100644
--- a/scsh/rx/spencer.scm
+++ b/scsh/rx/spencer.scm
@@ -157,7 +157,7 @@
 ;;; I is the index of the char following the left brace.
 
 (define (parse-posix-braces s i)
-  (let ((comma (string-index s #\,) i)
+  (let ((comma (string-index s #\, i))
 	(rb (string-index s #\} i)))
     (if rb
 	(if (and comma (< comma rb))
diff --git a/scsh/scsh-interfaces.scm b/scsh/scsh-interfaces.scm
index 480cb4f..c648165 100644
--- a/scsh/scsh-interfaces.scm
+++ b/scsh/scsh-interfaces.scm
@@ -124,6 +124,8 @@
 			      fdes-status
 			      set-fdes-status
 
+			      init-fdports!  ;added by JMG
+			     
 			      force-output
 ;			      set-port-buffering
 			      bufpol/block
diff --git a/scsh/scsh-package.scm b/scsh/scsh-package.scm
index 45b69cb..4b5c108 100644
--- a/scsh/scsh-package.scm
+++ b/scsh/scsh-package.scm
@@ -234,7 +234,7 @@
 	 sighandlers		; New in release 0.5.
 	 scsh
 ;	 re
-;	 rdelim   ;rdelim omitted for noew by JMG
+	 rdelim   ;rdelim omitted for now by JMG
 	 )
 ;  (optimize auto-integrate)
   )
@@ -331,7 +331,8 @@
 	sre-syntax-tools
 	scheme
 	)
-  (files awk))
+  (files awk) 
+  (optimize auto-integrate))
 	 
 
 (define-structure awk-package awk-interface
diff --git a/scsh/sighandlers.scm b/scsh/sighandlers.scm
index ccf47e2..c46bb61 100644
--- a/scsh/sighandlers.scm
+++ b/scsh/sighandlers.scm
@@ -65,7 +65,15 @@
 ;  (with-interrupts mask (lambda () body ...)))
 (define-simple-syntax (with-enabled-interrupts mask body ...)
    (begin body ...))
-;(define with-enabled-interrupts* with-interrupts)
+
+(define (with-enabled-interrupts* thunk thunk)
+  (warn "JMG:  use of  with-enabled-interrupts*")
+  (thunk))
+
+(define (set-enabled-interrupts . args)
+  (warn "JMG:  use of set-enabled-interrupts")
+  #f)
+
 
 (define-enumeration scsh-os-signal
   (i/o-completion
diff --git a/scsh/syscalls.scm b/scsh/syscalls.scm
index 30676af..6868227 100644
--- a/scsh/syscalls.scm
+++ b/scsh/syscalls.scm
@@ -886,7 +886,7 @@
 ;;; (var . val) / "var=val" rep conversion:
 
 (define (split-env-string var=val)
-  (let ((i (index var=val #\=)))
+  (let ((i (string-index var=val #\=)))
     (if i (values (substring var=val 0 i)
 		  (substring var=val (+ i 1) (string-length var=val)))
 	(error "No \"=\" in environment string" var=val))))