diff --git a/README.md b/README.md
index fc33abe0..bee3b942 100644
--- a/README.md
+++ b/README.md
@@ -274,6 +274,7 @@ The `@pragma` keyword enables you to modify Hawk’s behavior. You can place a p
 | entry         | global | function name |         | change the program entry point                         |
 | implicit      | file   | on, off       | on      | allow undeclared variables                             |
 | multilinestr  | file   | on, off       | off     | allow a multiline string literal without continuation  |
+| rwpipe        | file   | on, off       | on      | allow the two-way pipe operator `\|&`                  |
 | striprecspc   | global | on, off       | off     | removes leading and trailing blank fields in splitting a record if FS is a regular expression mathcing all spaces |
 | stripstrspc   | global | on, off       | on      | trim leading and trailing spaces when converting a string to a number |
 | numstrdetect  | global | on, off       | on      | trim leading and trailing spaces when converting a string to a number |
diff --git a/t/Makefile.am b/t/Makefile.am
index 94538c30..ce5d1819 100644
--- a/t/Makefile.am
+++ b/t/Makefile.am
@@ -26,6 +26,7 @@ EXTRA_DIST = $(check_SCRIPTS) $(check_ERRORS) tap.inc err.sh \
 	journal-toc.hawk journal-toc.in journal-toc.out journal-toc-html.out \
 	bibtex-to-html.hawk bibtex-to-html.out \
 	fs-test.hawk fs-test.in fs-test.out \
+	JSON.awk.in JSON.awk.out \
 	two-way-pipe.hawk two-way-pipe.out
 
 check_PROGRAMS = t-001 t-002 t-003 t-004 t-005 t-006 t-007 t-008 t-009
diff --git a/t/Makefile.in b/t/Makefile.in
index 52f8f821..00acba3f 100644
--- a/t/Makefile.in
+++ b/t/Makefile.in
@@ -650,6 +650,7 @@ EXTRA_DIST = $(check_SCRIPTS) $(check_ERRORS) tap.inc err.sh \
 	journal-toc.hawk journal-toc.in journal-toc.out journal-toc-html.out \
 	bibtex-to-html.hawk bibtex-to-html.out \
 	fs-test.hawk fs-test.in fs-test.out \
+	JSON.awk.in JSON.awk.out \
 	two-way-pipe.hawk two-way-pipe.out
 
 t_001_SOURCES = t-001.c tap.h
diff --git a/t/h-003.hawk b/t/h-003.hawk
index 410d2b6b..9bb2cf23 100644
--- a/t/h-003.hawk
+++ b/t/h-003.hawk
@@ -60,7 +60,7 @@ function run_test (x, more_opts, in_name, set_out_name, out_name)
 		cmd=sprintf("%s %s -f %s/%s.hawk --modlibdirs=%s %s > %s", ARGV[0], more_opts, TDIR, x, hawk::modlibdirs(), inf, outf);
 	}
 ##print cmd;
-	system (cmd);
+	system(cmd);
 
 	same = are_files_identical(expf, outf);
 	if (same <= 0)
@@ -75,6 +75,17 @@ function run_test (x, more_opts, in_name, set_out_name, out_name)
 	}
 }
 
+function run_github_step_JSON_awk() {
+	@local url, tgt, tgt_hawk;
+	url = "https://raw.githubusercontent.com/step-/JSON.awk/refs/heads/master/JSON.awk";
+	tgt = sprintf("%s.%d", "JSON.awk", sys::getpid());
+	tgt_hawk = sprintf("%s/%s.hawk", TDIR, tgt);
+
+	system(sprintf("curl -k -o %s %s", tgt_hawk, url));
+	run_test(tgt, "", "JSON.awk", 0, "JSON.awk");
+	sys::unlink(tgt_hawk);
+}
+
 function main()
 {
 	run_test("journal-toc", "", @nil, 0, @nil);
@@ -83,6 +94,7 @@ function main()
 	run_test("fs-test", "", "fs-test", 0, "fs-test");
 	run_test("two-way-pipe", "", @nil, 0, "two-way-pipe");
 
-	tap_end ();
+	run_github_step_JSON_awk();
+	tap_end();
 }