| Local Name | Namespace URI | Description |
| mark-transitions | http://www.daisy.org/ns/pipeline/xproc | |
| parse-query | http://www.daisy.org/ns/pipeline/xproc | Parse a query string and convert it to a c:param-set document. |
| select-by-base | http://www.daisy.org/ns/pipeline/xproc | |
| select-by-position | http://www.daisy.org/ns/pipeline/xproc | |
| transform | http://www.daisy.org/ns/pipeline/xproc | Apply an XML transformer to a node. |
| xslt-for-each | http://www.daisy.org/ns/pipeline/xproc |