| Indicates if whitespace should be added to the output with the aim of improving human legibility. If the parameter is set as in the query prolog, it overrides the {{Code|indent}} [[Serialization|serialization parameter]].
| {{Code|yes}}, {{Code|no}}
| {{Code|yesno}} {{Announce|Default changed with Version 10}}
| ''serialize''
|}
=Changelog=
;Version 10.0
* Updated: {{Code|indent}}: Default changed from {{Code|yes}} to {{Code|no}}.
;Version 9.4