compile multi-line selector error

[cheneywan]

cw = require 'css-whitespace'

console.log cw """
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp, a,
small, strong, sub, sup, var,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video
  clear: none
"""

output:

htmlbodydivspanobjectiframe;

h1h2h3h4h5h6pblockquotepre;

abbraddresscitecode;

deldfnemimginskbdqsampa;

smallstrongsubsupvar;

dldtddolulli;

fieldsetformlabellegend;

tablecaptiontbodytfoottheadtrthtd;

articleasidecanvasdetailsfigcaptionfigure;

footerheaderhgroupmenunavsectionsummary;

time,
mark,
audio,
video {
  clear: none;
}