fix for SIGINT in sourced script

builtins/trap.def

@@ -98,6 +98,7 @@ static int display_traps __P((WORD_LIST *));
 #define IGNORE 2		/* Ignore this signal. */
 
 extern int posixly_correct, subshell_environment;
+extern int sourcelevel, running_trap;
 
 int
 trap_builtin (list)
@@ -212,6 +213,9 @@ trap_builtin (list)
 			   was SIG_IGN? */
 			if (interactive)
 			  set_signal_handler (SIGINT, sigint_sighandler);
+			/* special cases for interactive == 0 */
+			else if (interactive_shell && (sourcelevel||running_trap))
+			  set_signal_handler (SIGINT, sigint_sighandler);
 			else
 			  set_signal_handler (SIGINT, termsig_sighandler);
 			break;

patchlevel.h

@@ -25,6 +25,6 @@
    regexp `^#define[ 	]*PATCHLEVEL', since that's what support/mkversion.sh
    looks for to find the patch level (for the sccs version string). */
 
-#define PATCHLEVEL 22
+#define PATCHLEVEL 23
 
 #endif /* _PATCHLEVEL_H_ */