Richeditor: image form

<?xml version="1.0" encoding="UTF-8"?>

<form feature="cms">
    <tab id="main" sortorder="10" title="cms:ckeditor.imagepicker.main.tab">
        <fieldset id="main" sortorder="10">
            <field sortorder="10" name="asset"       control="assetPicker" required="true"  label="cms:ckeditor.imagepicker.asset.label" allowedTypes="image" />
            <field sortorder="15" name="asset_alt"   control="textInput"   required="false" label="cms:ckeditor.imagepicker.asset_alt.label" help="cms:ckeditor.imagepicker.asset_alt.help" disabled="true" />
            <field sortorder="20" name="alt_text"    control="textinput"   required="false" label="cms:ckeditor.imagepicker.alt_text.label" help="cms:ckeditor.imagepicker.alt_text.help" maxLength="200" />
            <field sortorder="30" name="alignment"   control="select"      required="false" label="cms:ckeditor.imagepicker.alignment.label" values="auto,left,right,center" labels="cms:ckeditor.imagepicker.alignment.auto,cms:ckeditor.imagepicker.alignment.left,cms:ckeditor.imagepicker.alignment.right,cms:ckeditor.imagepicker.alignment.center" />
        </fieldset>

        <fieldset id="resize" sortorder="20" title="cms:ckeditor.imagepicker.resize.fieldset">

            <field sortorder="10" name="derivative" control="derivativePicker" required="false" label="cms:ckeditor.imagepicker.derivative.label" />

            <field sortorder="20" name="dimensions"  control="imagedimensions" required="true"  label="cms:ckeditor.imagepicker.dimensions.label" />
            <field sortorder="30" name="quality"     control="select"  required="true"  label="cms:ckeditor.imagepicker.quality.label"   values="highestQuality,highQuality,mediumQuality,highestPerformance,highPerformance,mediumPerformance" labels="cms:ckeditor.imagepicker.quality.highestQuality,cms:ckeditor.imagepicker.quality.highQuality,cms:ckeditor.imagepicker.quality.mediumQuality,cms:ckeditor.imagepicker.quality.highestPerformance,cms:ckeditor.imagepicker.quality.highPerformance,cms:ckeditor.imagepicker.quality.mediumPerformance" defaultValue="highestPerformance" />

        </fieldset>
    </tab>

    <tab id="spacing" sortorder="20" title="cms:ckeditor.imagepicker.spacing.tab">
        <fieldset id="spacing" sortorder="20">
            <field sortorder="60" name="spacing_top"     control="spinner" required="false" label="cms:ckeditor.imagepicker.spacing_top.label"    default="5" />
            <field sortorder="60" name="spacing_right"   control="spinner" required="false" label="cms:ckeditor.imagepicker.spacing_right.label"  default="5" />
            <field sortorder="60" name="spacing_bottom"  control="spinner" required="false" label="cms:ckeditor.imagepicker.spacing_bottom.label" default="5" />
            <field sortorder="60" name="spacing_left"    control="spinner" required="false" label="cms:ckeditor.imagepicker.spacing_left.label"   default="5" />
        </fieldset>
    </tab>

    <tab id="caption" sortorder="30" title="cms:ckeditor.imagepicker.caption.tab">
        <fieldset id="caption" sortorder="10">
            <field sortorder="10" name="copyright" control="textinput"   required="false"  label="cms:ckeditor.imagepicker.copyright.label" maxLength="600" />
            <field sortorder="20" name="caption"   control="richeditor"  required="false"  label="cms:ckeditor.imagepicker.caption.label" toolbar="noInserts" />
        </fieldset>
    </tab>
    <tab id="link" sortorder="40" title="cms:ckeditor.imagepicker.link.tab">
        <fieldset id="link" sortorder="10">
            <field sortorder="10" name="link" control="textinput" required="false" label="cms:ckeditor.imagepicker.link.label" maxLength="500" help="cms:ckeditor.imagepicker.link.help"           placeholder="cms:ckeditor.imagepicker.link.placeholder" />
            <field sortorder="15" name="link_asset" control="assetPicker" required="false" label="cms:ckeditor.imagepicker.link_asset.label" />
            <field sortorder="15" name="link_page" control="sitetreePagePicker" required="false" label="cms:ckeditor.imagepicker.link_page.label" />
            <field sortorder="20" name="link_target" control="select" required="false" label="cms:ckeditor.imagepicker.link_target.label" values="_self,_blank,_parent,_top" />
        </fieldset>
    </tab>
</form>