Template:Spaces/doc

 is a template that produces single or multiple non-breaking spaces (" "s). Uses loop15.

where the optional parameter N is the desired number of consecutive non-breaking spaces (numeric, with a range of 1 to 15).
 * Syntax :

produces a single non-breaking space. You may also use nbsp (which redirects to this template) as a shortcut for a single non-breaking space.