[selectors4] first-child and last-child

Section 12.5.3 of Selectors 4 reads:

  The :first-child pseudo-class represents an element that precedes
  all of its siblings

and 12.5.4 reads:

  The :last-child pseudo-class represents an element that follows all
  of its siblings

Since a sibling is well defined on node interface, I think we should
s/siblings/element siblings/

Same comment applies to most of 12.5, 12.6 and 12.7.

</Daniel>

Received on Tuesday, 19 November 2013 14:40:34 UTC