Template:!!/doc
From dieyoung
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.