Lint nits

src/core.js

@@ -383,8 +383,8 @@ var Page = (function PageClosure() {
           case 'Text':
             var content = annotation.get('Contents');
             var title = annotation.get('T');
-            item.content = (typeof content == 'string') ? stringToPDFString(content) : null;
+            item.content = stringToPDFString(content || '');
-            item.title = (typeof title == 'string') ? stringToPDFString(title) : null;
+            item.title = stringToPDFString(title || '');
             item.name = annotation.get('Name').name;
             break;
 

web/viewer.js

@@ -486,7 +486,8 @@ var PageView = function pageView(container, content, id, pageWidth, pageHeight,
       var annotTitle = document.createElement('h1');
       var annotContent = document.createElement('p');
 
-      annotDetails.style.left = (Math.floor(item.x - view.x + item.width) * scale) + 'px';
+      var offsetPos = Math.floor(item.x - view.x + item.width);
+      annotDetails.style.left = (offsetPos * scale) + 'px';
       annotDetails.style.top = (Math.floor(item.y - view.y) * scale) + 'px';
       annotTitle.textContent = item.title;