1 files changed, 6 insertions, 6 deletions
diff --git a/lib/writers/markdown-writer.js b/lib/writers/markdown-writer.js
index eb46175..82f19dc 100644
--- a/lib/writers/markdown-writer.js
+++ b/lib/writers/markdown-writer.js
@@ -1,8 +1,8 @@
+function symmetricMarkdownElement(end) {
+    return markdownElement(end, end);
+}
+
 function markdownElement(start, end) {
-    if (end === undefined) {
-        end = start;
-    }
-    
     return function() {
         return {start: start, end: end};
     };
@@ -58,8 +58,8 @@ var htmlToMarkdown = {
     "ul": markdownList({isOrdered: false}),
     "ol": markdownList({isOrdered: true}),
     "li": markdownListItem,
-    "strong": markdownElement("**"),
-    "em": markdownElement("*"),
+    "strong": symmetricMarkdownElement("**"),
+    "em": symmetricMarkdownElement("*"),
     "a": markdownLink,
     "img": markdownImage,
 };