Non-numeric values in <option> tag not used properly

When I access the source, and insert a basic select tag, CKEditor munges it after loading.

Here is what I put in.

<select>
  <option value="volvo">Volvo</option>
  <option value="saab">Saab</option>
  <option value="mercedes">Mercedes</option>
  <option value="audi">Audi</option>
</select>

Then when I switch back to the rich text editor it looks good for about 1 second. After that, 1 second is shrinks.

Then it looks like this.

If I double click on it, you can see clearly that it's broken the select box.

This is what CKEditor turns it into after saving. Obviously this is wrong.

<p><select><option selected="selected" value="">VolvoSaabMercedesAudi</option></select></p>

This problem seems to be directly related to the fact that I put non-numeric characters (letters) inbetween the .

These two work properly.

<select>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
</select>

<select><option value="Volvo">1</option>
<option value="blah">2</option>
<option value="bar">3</option>
<option value="foo">4</option>
</select>

But this causes the same problem shown in the above screenshots.

<select><option value="Volvo">a1</option>
<option value="blah">2</option>
<option value="bar">3</option>
<option value="foo">4</option>
</select>

If I put all three of the above code segments in here is what I get. Two combo boxes (left, and middle) that work properly. One on the right that does not work. This is the select box editor opened up on the rightmost select box.