Template:Diff

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This template is useful for creating links to "diffs"; that is, links to pages that show the differences between two versions of a wiki page.

Every historical version of a page has a revision ID, which you can find from the history of the page. Given a page name and one or two revision IDs, you can construct links to several types of diffs.

Usage

{{ diff | page | diff | oldid | label }}

page – The title of the page.
diff – The ID or keyword that is used against the base ID. Possible keywords are:
cur – compare with the current version of a page.

prev – compare with the previous version of a page.

next – compare with the next version of a page.
oldid – The base ID onto which the diff is generated.
label – Text to display as link. No label will give a numbered link.

All parameters are optional. Omitted parameters must be empty (by using a double pipe). You can also use the named variables page=, diff=, oldid= and label=

Examples

Code	Output
`{{diff\|Main Page\|204901573\|202506579\|Diff between two numbered versions of a page}}`	Diff between two numbered versions of a page The diff= parameter (parameter number 2) should be the larger revision number. The oldid= parameter (parameter number 3) should be the smaller revision number.
`{{diff\|Wikipedia:Pagediff\|204934693\|204901573\|Diff between two numbered versions of different pages}}`	Diff between two numbered versions of different pages The page= parameter (parameter number 1) should be Wikipedia:Pagediff. The diff= parameter (parameter number 2) should be the page revision to appear on the right (proposed change). The oldid= parameter (parameter number 3) should be the page revision to appear on the left (original).
`{{diff\|Main Page\|prev\|204901573\|Diff between a numbered version and the previous version}}`	Diff between a numbered version and the previous version This is the form that would be used most often. The diff= parameter (parameter number 2) should be the word prev. The oldid= parameter (parameter number 3) should be the known revision number.
`{{diff\|Main Page\|next\|204901573\|Diff between a numbered version and the subsequent version}}`	Diff between a numbered version and the subsequent version The diff= parameter (parameter number 2) should be the word next. The oldid= parameter (parameter number 3) should be the known revision number.
`{{diff\|Main Page\|cur\|204901573\|Diff between a numbered version and the current version of a page}}`	Diff between a numbered version and the current version of a page The diff= parameter (parameter number 2) should be the word cur. The oldid= parameter (parameter number 3) should be the known revision number.
`{{diff\|Main Page\|cur\|\|Diff showing the most recent change to a page}}`	Diff showing the most recent change to a page The diff= parameter (parameter number 2) should be the word cur. The oldid= parameter (parameter number 3) should be empty.
`{{diff\|Main Page\|\|204901573\|A link to a numbered version of a page}}`	A link to a numbered version of a page The diff= parameter (parameter number 2) should be empty. The oldid= parameter (parameter number 3) should be the known revision number. The result is not actually a diff, so this might be considered misuse of the template. See the {{oldid}} template.

The documentation on top is transcluded from Template:Diff/doc.
Editors can experiment in this template's sandbox and testcases pages.
Add categories to the /doc subpage. Subpages of this template.