HTTPXHTMLResource.countExtraneousChars returns an invalid valid when called with a start parameter greater than 0, because the "for" loop goes

from
  start + 1
to
  length

... instead of from
  start + 1
to
  start + length

As far as I can tell, the only cases when the method is called with a start parameter greater than 0 is while parsing CSS stylesheets. This is not a big deal since the number of extraneous characters in CSS stylesheets is displayed in the moki representation of a resource but not used in tests.


Example
-----
p { color:black;
/*  10  */

}

The additional carriage return after the CSS comment is not counted as extraneous.