Add the <t> element and ignore whitespace outside it.

sky/tests/framework/binding-expected.txt

-
-  <style>
+<style>
   .blue { border: 1px solid blue; }
   .orange { border: 1px solid orange; }
   .repeat { margin: 8px; }
   </style>
-  <span style="color: red">10</span>
-  <template repeat="{{ list }}"></template>
-    <div class="blue repeat">first</div>
-  
-    <div class="orange repeat">second</div>
-  
-  <template if="{{ test }}"></template>
+<span style="color: red">10</span>
+<template repeat="{{ list }}"></template>
+<div class="blue repeat">first</div>
+<div class="orange repeat">second</div>
+<template if="{{ test }}"></template>
     Hello World
-  
   <template if="{{ testFalse }}"></template>
-  <template repeat="{{ nullInstances }}"></template>
-  <div>10 test redblue test</div>
-  <a href="http://www.google.com/">http://www.google.com/</a>
-  <span on-test-event="handleTestEvent">
-    <span id="target">Test event handler: event dispatch success</span>
-  </span>
-  <div class="[[ className ]]">[[ url ]]</div>
+<template repeat="{{ nullInstances }}"></template>
+<div>10 test redblue test</div>
+<a href="http://www.google.com/">http://www.google.com/</a>
+<span on-test-event="handleTestEvent">
+  <span id="target">Test event handler: event dispatch success</span>
+</span>
+<div class="[[ className ]]">[[ url ]]</div>