mightyscape-1.2/extensions/fablabchemnitz/edit_attributes/edit_attributes.inx

<?xml version="1.0" encoding="UTF-8"?>
<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
	<name>Edit Attributes</name>
	<id>fablabchemnitz.de.edit_attributes</id>
	<label>Edit value of attribute on selected elements.</label>
	<label>For namespaces use {namespaceUrl}attributeName</label>
	<param name="attributeName" type="string" gui-text="Name:"></param>
	<param name="attributeValue" type="string" gui-text="Value: "></param>
	<param name="mode" type="optiongroup" appearance="combo" gui-text="Operation on attribute"> 
		<option value="set">Set</option>
		<option value="append">Append</option>
		<option value="prefix">Prefix</option>
        <option value="clear">Clear content</option>
		<option value="remove">Remove attribute</option>
	</param>
	<effect>
		<object-type>all</object-type>
		<effects-menu>
			<submenu name="FabLab Chemnitz">
				<submenu name="Various"/>
			</submenu>
		</effects-menu>
	</effect>
	<script>
		<command location="inx" interpreter="python">edit_attributes.py</command>
	</script>
</inkscape-extension>