Template:topic cat

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(This template should be used on pages in the Category: namespace.)

This template automatically generates descriptions and categorization for categories whose name follows the format "(language code):(label)" and "(label)". It should be added to all supported categories.

The template is implemented by Module:category tree and its submodule Module:category tree/topic cat.


The language code (see Wiktionary:Languages) of the language that the category name begins with, and which the category's contents belongs to. Leave this empty for categories that do not start with a language code.
The label of the category. This is the part of the category name that follows the language code.

This template can now figure out any missing parameters from the name of the category, but parameters which are included must be correct.


Adding, removing or modifying categories

The information on each label for this template is contained in Module:category tree/topic cat/data and its submodules. For a list of all data modules, see Category:Category tree data modules/topic cat.

The following values are recognised in these data modules:

A table listing one or more parent labels of this label.
  • An item in the table can be either a single string, or a table containing two elements called name and sort. In the latter case, name value specifies the parent label name, while the sort value specifies the sort key to use to sort it in that category.
  • If a parent label begins with Category: it is interpreted as a raw category name, rather than as a label name. It can still have its own sort key as usual.
A plain English description for the label. In addition to regular text, the following special keywords are available to generate "default" descriptions:
  • default
  • default with capital
  • default with the
  • default with the lower
  • default with topic

Special template-like parameters can be used inside the parents and description values. These are replaced by the equivalent text.

The name of the language that the category belongs to.
The name of the language's main category, which adds "language" to the regular name.

For description, these are also available:

The label name with its first character in uppercase.
The label name with its first character in lowercase.