[csswg-drafts] [css-inline] should `initial-letter` be plural?

dauwhe has just created a new issue for 
https://github.com/w3c/csswg-drafts:

== [css-inline] should `initial-letter` be plural? ==
It's possible (though rare) for `initial-letter` to apply to more than
 one letter. Should it be plural? Note this is shipping in WebKit as 
singular. 

P.S. This is all my fault.

Please view or discuss this issue at 
https://github.com/w3c/csswg-drafts/issues/862 using your GitHub 
account