Enable lint rule

kgryte · kgryte · commit 1ef0293f819d · 2017-12-27T14:41:27.000-08:00
diff --git a/lib/node_modules/@stdlib/tools/README.md b/lib/node_modules/@stdlib/tools/README.md
@@ -29,6 +29,8 @@ var t = tools;
 
 <!-- TODO: better examples -->
 
+<!-- eslint no-undef: "error" -->
+
 ```javascript
 var getKeys = require( 'object-keys' ).shim();
 var tools = require( '@stdlib/tools' );
