ASP.NET page slow to edit

Hi,

I've recently been trying the nightly builds with the latest version build 1274. I noticed that on some particular ASPX pages that editing is very very slow

For example if I have the following html in my aspx page editing is extremely slow, if I disable resharper plugin editing is fast again. The slowness is comparable to the problem that was reported earlier with the web.config file the same symptoms occur

<div id="latestChanges">
        <a id="LinkLatestChanges"></a>
        <h3>Latest Changes</h3>

        <div >

            <strong>v1.9</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>


            <strong>v1.8</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>


            <strong>v1.7</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>


            <strong>v1.6</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>

            </ul>


            <strong>v1.5</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>

            <strong>v1.4</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>

            <strong>v1.3</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>

            <strong>v1.2</strong><br />
            <ul>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>


            <strong>v1.1</strong><br />
            <ul>
               <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
            </ul>

<strong>v1.0</strong><br />
<ul>
           <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
</ul>               


<strong>v0.9</strong><br />
<ul>
           <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
</ul>               


<strong>v0.8</strong><br />
<ul>
           <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
</ul>               



<strong>v0.7</strong><br />
<ul>
           <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
</ul>               



<strong>v0.6</strong><br />
<ul>
           <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li><span >NEW</span>This is a test - NEW</li>                               
                <li> </li>

                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li><span >NEW</span>This is a test - ADD</li>
                <li> </li>

                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
<li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
                <li><span >NEW</span>This is a test - FIX</li>
</ul>               


        </div>

    </div>


Currently this page is a content page using a master page. I've tried copying the content into another page and the problem still exists.

Is there a problem with parsing the ASPX page?

Thanks in advance

DotnetShadow

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