Help:Subpages

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Subpages introduce some hierarchical organisation into wiki page names, with levels of the hierarchy separated by slashes '/'.

Namespaces

MediaWiki's subpage feature is turned off by default in the main namespace, but can be used on talk pages and user pages. See Help:namespaces. In namespaces where the feature is switched off, any slashes (/) within a page name are simply part of the page name and do nothing special.

Slashes within a page name

Slashes (/) within a page name break the page into parent and subpages, recursively, eg:

Example page
Example page/Some sub-page
sub-page/Some sub-sub-page

A link back to parent will automatically appear at the top of each subpage. In the case of sub-sub-pages, a set of breadcrumb navigation links will autmatically be presented. Note that these links do not appear, however, if the parent page has not yet been created.

Using (and over-using) sub pages

There are various uses for the subpage mechanism. The main two intended uses are:

  • On a talk page create a subpage (or several) for an archiving of old discussions
  • On a user page create a subpage (or several) to use as a scratchpad editing space.

People instinctively think hierarchically when trying to organise information, so it may be tempting use subpages all the time, however, subpages can be over-used. Remember that having a page name with a slash will generally make the name longer, harder to remember, and thus more difficult to link to. Some people find it more elegant to keep page naming simple. By sticking to a flat naming structure, with a manually maintained web of wiki links, a structure will emerge organically (and this can include a pseudo-hierarchy)

Tools.svg Tip for wiki admins: Subpages can be activated within the 'main' namespace by adding to the $wgNamespacesWithSubpages array.
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