Merge pull request elifesciences#146 from pkra/patch-1

lens-converter: add check for back element
pkra · Feb 25, 2016 · cc42407 · cc42407
2 parents a70c60d + af383cf
commit cc42407
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/converter/lens_converter.js b/converter/lens_converter.js
@@ -955,9 +955,11 @@ NlmToLensConverter.Prototype = function() {
 
     this.extractFigures(state, article);
 
-    // Extract back element
+    // Extract back element, if it exists
     var back = article.querySelector("back");
-    this.back(state,back);
+    if (back){
+        this.back(state,back);
+    }
 
     this.enhanceArticle(state, article);
   };