User:Dcljr/Whitespace tests

Some whitespace tests:
 * –| en-dash
 * &mdash;| em-dash
 * | regular space
 * | nonbreaking space
 * &emsp;| em-space
 * &ensp;| en-space
 * &thinsp;| thin space
 * no space
 * | 2 nonbreaking spaces
 * &emsp;&emsp;| 2 em-spaces
 * | regular space followed by nonbreaking space
 * &mdash;| em-dash
 * –| en-dash

Moved from Template talk:Indent.