Template:Check talk/doc

__NOWYSIWYG__

Description
This is the meta-template, which may be incorporated into other templates that are intended for use on talk pages only.

is invisible except under the conditions described below.

Warning text
When a template containing is added to a page in any subject namespace, then a warning message is displayed reminding people to use  on talk pages only.

'This template is misplaced. It belongs on the talk page: .'

Parameters

 * nocat : Selectively turns off categorization for demonstration purposes.

Example
Then you can feed " " to your template when you demonstrate it on a page, and then this template will not show any error message and will not categorize it.