[selectors4] Error in column combinator section?

Hi folks, I think there's an error in the explanation of the Column
Combinator, here:

 

http://www.w3.org/TR/selectors4/#column-combinator

 

In "Example 53" it says:

 

"The following example makes cells C, E, and G yellow."

 

However, there is no "yellow" in the code. Do you mean to say "gray"?

 

Also, the purpose of that combinator is really hard to figure out. Is it
possible to include a contrasting code example, so it's a little more clear
what this combinator accomplishes?

Thanks,

Louis



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