Template:Gap/doc

Usage
Use this template to insert a fixed width gap in inline text. The default is 2em.

For example,  produces "Helloworld!"

If no argument is given, the default is 2em:  produces "Helloworld!"

For a real example of it in use, see this page at Wikisource

Deprecated or incorrect usage
Please note: This template is not intended to produce indented paragraphs, double spacing after full stops (periods), or offsets from the right.

Offsetting right-aligned text
Please do not use

Right has a parameter offset for this:

The reason for this is that if the line wraps, the gap will go to the next line, where it will be invisible, and the text will end up right up against the right margin:

The gap here is in a blue box:

Compare to setting an offset of 4em:

The text retains its offset even when it wraps.