Fix previous commit

web/viewer.js

@@ -973,14 +973,18 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv) {
         return;
       }
       var textDiv = textDivs.shift();
+      if (textDiv.dataset.textLength > 0) {
+        textLayerDiv.appendChild(textDiv);
+
         if (textDiv.dataset.textLength > 1) { // avoid div by zero
           // Adjust div width (via letterSpacing) to match canvas text
           // Due to the .offsetWidth calls, this is slow
+          // **This needs to come after appending to the DOM**
           textDiv.style.letterSpacing =
             ((textDiv.dataset.canvasWidth - textDiv.offsetWidth) /
               (textDiv.dataset.textLength - 1)) + 'px';
         }
-      textLayerDiv.appendChild(textDiv);
+      } // textLength > 0
     }
     renderTimer = setInterval(renderTextLayer, renderInterval);