Shortcode to insert non-breaking spaces in WordPress content
//[nbsp] shortcode
add_shortcode( 'nbsp', 'nbsp_shortcode' );
function nbsp_shortcode( $atts, $content = null ) {
$a = shortcode_atts( array(
'num' => 1,
), $atts );
$content = str_repeat(' ', $a['num']);
return $content;
}