Template:!!/doc

{{#vardefine: nodoc | {{{nodoc}}} }}{{#vardefine: baddoc | {{{baddoc}}} }}

Documentation

[purge]

Result: ||

This template is used inside other templates when a double pipe symbol is required.

This template can be used to parse templates correctly in tables.

{| some table
|- some row
|some cell || {{sometemplate{{!!}}someparameter=somevalue}}
|}

This is the documentation page, it should be transcluded into the main template page. See Template:Doc for more information.