Automatically inserted with "\"" after preview product in admin.

[Anita]

Hello all,

 

 

After i changed the product detail in admin pannel, press "preview" button and then go "back", i found that just changed content is automatically inserted with many "\"".

 

<p><img height="\"31\"" alt="\"\"" src="\"/catalog/images/getacro.gif\"" width="\"88\"" /> This is testing document.</p>

<p> </p>