updated the parser to require a colone after a key for @{}

t/e-001.err

@@ -37,3 +37,10 @@ BEGIN {
 BEGIN {
 	@nil = 10 ##ERROR: invalid assignment statement
 }
+
+---
+
+BEGIN {
+	@{};
+	@{ "hello", "world } ##ERROR: colon expected in place of ','
+}

t/h-001.hawk

@@ -271,7 +271,7 @@ function main()
 		tap_ensure (((10,30,30) in c), 0, @SCRIPTNAME, @SCRIPTLINE);
 
 
-		c = @{ "abc", 10, "def", 20.9 };
+		c = @{ "abc": 10, "def": 20.9 };
 		tap_ensure (c["abc"], 10, @SCRIPTNAME, @SCRIPTLINE);
 		tap_ensure (c["def"], 20.9, @SCRIPTNAME, @SCRIPTLINE);
 	}