nl_tokens: Functions for conformance of style .
pl_tokens: function adjacent ( left , right ) { left = left || token ; right = right || nexttoken ; if ( option . <mask> ) { if ( left . character !== right . from && left . line === right . line ) { left . from += ( left . character - left . from ) ; warning ( "Unexpected space after '{a}'." , left , left . value ) ; } } }