Fix some obscure import issues with DELIMITED-READERS.

scsh/scsh-package.scm

@@ -57,8 +57,8 @@
 	signals ; ERROR
 	let-opt
 	receiving
-	re-exports
-	srfi-14
+	re-level-0 rx-syntax
+	(subset srfi-14 (char-set x->char-set char-set-contains?))
 	ascii
 	i/o-internal ports)
   (files rdelim))
@@ -377,8 +377,7 @@
 			 char-set
 			 x->char-set
 			 char-set-complement))
-	scsh-level-0		; delimited readers
-;	scsh-regexp-package
+	delimited-readers
 	re-exports
 	let-opt			; optional-arg parsing & defaulting
 	scheme