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This redirect category (rcat) template is used to tag any redirect page in any namespace that results when a page is merged into another page. This rcat populates Category:Redirects from merges, which is used to track all page merges that might result in the breakage of links, both internal and external, if a redirect is not installed properly.
For any redirect found that was left behind from a page merge and has not been so sorted, add this rcat in the following manner:
#REDIRECT [[(target page name)]]
{{Rcat shell|
{{R from merge}}
}}
Template {{Rcat shell}} is an alias for the Redirect category shell template, which may be used to add as many appropriate rcats as needed, usually from one to seven, along with their parameters, to a redirect. For more information see the documentation on its template page. This rcat may also tag a redirect individually:
If this page was merged into a page that is different from the target page, then the unnamed parameter may be used to note the name of the other page in the following manner:
#REDIRECT [[(target page name)]]
{{Rcat shell|
{{R from merge|1=(title of page into which this former content page was merged)}}
}}
or the 1= may be omitted:
#REDIRECT [[(target page name)]]
{{Rcat shell|
{{R from merge|(title of page into which this former content page was merged)}}
}}
and when used individually:
{{R from merge|(title of page into which this former content page was merged)}}
If the content of the redirect page has been merged to a specific section, list entry or anchor, then also use one of the following to categorize the redirect as appropriate:
Any redirect in any namespace that has a substantive page history that was not the result of a page merge may be tagged with the {{R with history}} rcat instead.
In main-article namespace, many redirects from merged pages are considered unprintworthy; however, there are many others that are printworthy, so there is no default sort for printworthiness. In 2003, efforts were begun to support the Wikimedia Foundation's goal of increasing access and availability of Wikipedia articles in printed versions. Some rcats automatically populate either Category:Printworthy redirects or Category:Unprintworthy redirects by default. Others, like this rcat, do not, and that means it is up to editors to choose which of those categories, Printworthy or Unprintworthy, is appropriate and should be populated. The rcats that are used separately to populate those categories are: