| Local Name | Namespace URI | Description |
| css-parse-content | http://www.daisy.org/ns/pipeline/xproc | Insert generated content from 'content' properties. |
| css-parse-properties | http://www.daisy.org/ns/pipeline/xproc | Extract individual declarations from style sheets. |
| css-parse-stylesheet | http://www.daisy.org/ns/pipeline/xproc | Extract pseudo rules and at-rules from style sheets. |
| extract | http://www.daisy.org/ns/pipeline/braille-css | Extract inlined CSS (defined in attributes) into an external stylesheet. This is the inverse of px:css-cascade. |