`var(--pic2)` is probably a valid URL, but `url(var(--pic2))` is certainly not a valid `<url-token>` if not parsed as variable. [The "consume a url token" algorithm](https://drafts.csswg.org/css-syntax-3/#consume-url-token) raises a parse error when it sees the first `(`. -- GitHub Notification of comment by upsuper Please view or discuss this issue at https://github.com/w3c/csswg-drafts/issues/435#issuecomment-244518392 using your GitHub accountReceived on Saturday, 3 September 2016 01:18:44 UTC
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