fix error message #290

README.md

@@ -8,7 +8,7 @@
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+[![Coverage Status](https://coveralls.io/repos/github/jcubic/lips/badge.svg?branch=devel&65a56cf63b108176824decb89b200164)](https://coveralls.io/github/jcubic/lips?branch=devel)
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src/lips.js

@@ -8207,7 +8207,7 @@ var global_env = new Environment({
                 e.message += ` in macro: ${macro.toString(true)}`;
                 throw e;
             }
-            throw new Error(`Invalid Syntax ${code.toString(true)}`);
+            throw new Error(`syntax-rules: no matching syntax in macro ${code.toString(true)}`);
         }, env);
         syntax.__code__ = macro;
         return syntax;