Richeditor: attachment form

This form is used for the add/edit attachment screen in the richeditor.

File path/forms/richeditor/attachment.xml
Form IDricheditor.attachment
<?xml version="1.0" encoding="UTF-8"?>

<form feature="cms">
    <tab id="main" sortorder="10">
        <fieldset id="main" sortorder="10">
            <field sortorder="10" name="asset"     control="assetPicker" required="true"  label="cms:ckeditor.attachmentpicker.asset.label" allowedtypes="document" />
            <field sortorder="20" name="link_text" control="textinput"   required="false" label="cms:ckeditor.attachmentpicker.link_text.label" maxLength="200" placeholder="cms:ckeditor.attachmentpicker.link_text.placeholder" />
        </fieldset>
    </tab>
</form>