plugins/tpl/templates/admin/template_editor/edit_theme.stpl
<h2>{t(Edit theme)} "{theme_name}" {t(in)} "{location}"</h2>
<br />
<div class="editform">
<form method="post" action="{form_action}">
<p class="first">
<label for="theme_name">{t(Theme name)}</label>
<input type="text" id="theme_name" name="theme_name" value="{theme_name}">
</p>
<div class="button_div">
<input type="submit" value="{t(Save)}" />
</div>
</form>
</div>
<br />
<br />
<div align="center"><a href="{back_url}">{t(Back)}</a></div>