From 5d85dd2e4f63a836e2d7cac34213ecdb68d8b892 Mon Sep 17 00:00:00 2001
From: Phil Gates-Idem <phillip.idem@gmail.com>
Date: Wed, 17 Dec 2014 14:50:06 -0500
Subject: [PATCH] Fixes #8

---
 compiler/taglibs/taglib-loader.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/compiler/taglibs/taglib-loader.js b/compiler/taglibs/taglib-loader.js
index 2c2e77c6e..1e755a1c1 100644
--- a/compiler/taglibs/taglib-loader.js
+++ b/compiler/taglibs/taglib-loader.js
@@ -275,13 +275,13 @@ function scanTagsDir(tagsConfigPath, tagsConfigDirname, dir, taglib) {
         if (fs.existsSync(tagFile)) {
             // marko-tag.json exists in the directory, use that as the tag definition
             tagDef = JSON.parse(fs.readFileSync(tagFile, {encoding: 'utf8'}));
-            if (!tagDef.renderer || !tagDef.template) {
+            if (!tagDef.renderer && !tagDef.template) {
                 if (fs.existsSync(rendererFile)) {
                     tagDef.renderer = rendererFile;
                 } else if (fs.existsSync(templateFile)) {
                     tagDef.template = templateFile;
                 } else {
-                    throw new Error('Invalid tag. Neither a renderer or a template was found for tag.');
+                    throw new Error('Invalid tag file: ' + tagFile + '. Neither a renderer or a template was found for tag.');
                 }
             }