Perform a pre-save transform on the text before diffing it. Only valid when used with <var>$1difftotext</var>.

Use <kbd>[[Special:ApiHelp/compare|action=compare]]</kbd> instead. Perform a pre-save transform on the text before diffing it. Only valid when used with <var>$1difftotext</var>.

Do a pre-save transform on the input before parsing it. Only valid when used with text.

Do a pre-save transform on <var>fromtext</var>.

Do a pre-save transform on <var>totext</var>.

Cannot pre-save transform without a title. Try specifying <var>fromtitle</var> or <var>totitle</var>.

Do a pre-save transform (PST) on the input, but don't parse it. Returns the same wikitext, after a PST has been applied. Only valid when used with <var>$1text</var>.

{{doc-apihelp-param|query+revisions+base|difftotextpst|description=the "difftotextpst" parameter to revision querying modules|noseealso=1}}

Content serialization format used for the input text. Only valid when used with $1text.

Content serialisation format used for the input text. Only valid when used with $1text.

May only be used with <var>$3user</var>.

Cannot be used with <var>$3user</var>.

Pre-save transform wikitext before sending it to Parsoid (paction=parsefragment).

Pre-save transform wikitext before sending it to Parsoid (paction=parsefragment).

When used with the <var>list</var> option, returns all blacklisted IDs.

<var>$1</var> may only be used with a single page.

Only parse the content of this section number.

When <kbd>new</kbd>, parse <var>$1text</var> and <var>$1sectiontitle</var> as if adding a new section to the page.

<kbd>new</kbd> is allowed only when specifying <var>text</var>.

Request must be POSTed when the <var>text</var> parameter is used.

The <var>revids</var> parameter may not be used with the list options (<var>$1limit</var>, <var>$1startid</var>, <var>$1endid</var>, <kbd>$1dir=newer</kbd>, <var>$1user</var>, <var>$1excludeuser</var>, <var>$1start</var>, and <var>$1end</var>).

Get the item for page "<var>Berlin</var>" on the site "<var>enwiki</var>", with language attributes in English language

<var>titles</var>, <var>pageids</var> or a generator was used to supply multiple pages, but the <var>$1limit</var>, <var>$1startid</var>, <var>$1endid</var>, <kbd>$1dir=newer</kbd>, <var>$1user</var>, <var>$1excludeuser</var>, <var>$1start</var>, and <var>$1end</var> parameters may only be used on a single page.

Set the English language label to "<var>Earth</var>" for the item with sitelink <var>enwiki</var> => "<var>Earth</var>".

Include the languages used for <var>uselang</var> and <var>errorlang</var> in the result.

User ID to unblock. Cannot be used together with <var>$1id</var> or <var>$1user</var>.

Adds the page ID of the linking page (cannot be used with <var>$1unique</var>).