Template:Lang links/doc

This template shows which language versions of a page exist (based on the naming scheme ../xx, with xx the language code), and provides links to them. For example:

This should not be used in really heavily used templates to avoid hitting the "expensive parser function" limit on pages with other expensive templates. If the template/page is not transcluded much or it's used in cases where it's the only template on a page, then the parser function calls shouldn't be an issue. See also the substituted versions Template:Ll and Template:Lle of this template.

Compare:

which does not distinguish between a postfix for a language and other postfixes such as /doc and /layout. Also it takes more space. Another difference is that the language code is shown, rather than the local name.