friendica-github/view/sidenote.tpl

<div id="sidenote-wrapper" >
<p id="sidenote-desc" >
Write something
</p>
<form id="sidenote-form" action="profiles/$profile_id" method="post" >
<input type="hidden" name="type" value="sidenote" />

<textarea rows="40" cols="24" id="sidenote-text" name="sidenote" >$sidenote</textarea>

</div>
<div id="sidenote-submit-wrapper" >
<input type="submit" id="sidenote-submit" name="submit" value="Submit" />

</div>
<div id="sidenote-end"></div>
</form>
</div>