diff --git a/.gitignore b/.gitignore
index cfd3f59..ec76799 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *~
 *.bak
+**.pub
 
 /zs
-/.pub
 /dist
+/test.md
diff --git a/main.go b/main.go
index 49657aa..f5240d6 100644
--- a/main.go
+++ b/main.go
@@ -33,9 +33,8 @@ func renameExt(path, oldext, newext string) string {
 	}
 	if oldext == "" || strings.HasSuffix(path, oldext) {
 		return strings.TrimSuffix(path, oldext) + newext
-	} else {
-		return path
 	}
+	return path
 }
 
 // globals returns list of global OS environment variables that start
@@ -169,7 +168,7 @@ func render(s string, vars Vars) (string, error) {
 			}
 		}
 	}
-	return s, nil
+	
 }
 
 // Renders markdown with the given layout into html expanding all the macros
diff --git a/main_test.go b/main_test.go
index ada7564..6470bc5 100644
--- a/main_test.go
+++ b/main_test.go
@@ -55,7 +55,7 @@ foo: bar
 title: Hello, world!
 ---
 Some content in markdown
-`: Vars{
+`: {
 			"foo":       "bar",
 			"title":     "Hello, world!",
 			"url":       "test.html",
@@ -67,7 +67,7 @@ Some content in markdown
 url: "example.com/foo.html"
 ---
 Hello
-`: Vars{
+`: {
 			"url":       "example.com/foo.html",
 			"__content": "Hello\n",
 		},