allow () inside protocol parameters

streamApp/tests/testParenthesesInParameters

@@ -0,0 +1,32 @@
+#!/usr/bin/env tclsh
+source streamtestlib.tcl
+
+# Define records, protocol and startup (text goes to files)
+# The asynPort "device" is connected to a network TCP socket
+# Talk to the socket with send/receive/assure
+# Send commands to the ioc shell with ioccmd
+
+set records {
+    record(ao, "DZ:test1")
+    {
+        field (DTYP, "stream")
+        field (OUT, "@test.proto test1(ARG(10)) device")
+    }
+}
+
+set protocol {
+    Terminator = LF;
+    test1 { out "VAL:\$1:%d"}
+}
+
+set startup {
+}
+
+set debug 0
+
+startioc
+
+put DZ:test1 "1"
+assure "VAL:ARG(10):1\n"
+
+finish