CSS Lint displays a warning for h2:first-letter

[Rudloff]

I get "Heading (h2) has already been defined." for the following CSS :
h2:first-letter{
color:#e74f94;
font-size:xx-large;
}

[nzakas]

Looks like the rule just needs to be smarter and not complain when a pseudo class or pseudo element is used.