nl_tokens: Helper function that searches for selector range for <code > CSSEditRule< / code >
pl_tokens: function findSelectorRange ( it ) { var tokens = [ ] , token ; var start = it . position ( ) , end ; while ( token = it . next ( ) ) { if ( token . type == '{' ) break ; tokens . push ( token ) ; } trimWhitespaceTokens ( tokens ) ; if ( tokens . <mask> ) { start = tokens [ 0 ] . start ; end = _ . last ( tokens ) . end ; } else { end = start ; } return range ( start , end - start ) ; }