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The following CSS statement must generated an error: A { margin-top:12pt+2pt }
Created attachment 372 [details] Invalid 'margin-top' declarations.
I don't understand why the operator is at fault. Phillipe, your example is equivalent to: A { margin-top:12pt +2pt } ...which is equivalent to: A { margin-top:12pt 2pt } ...so this is just a case of too many terms. I'm marking this bug as a duplicate of Bug 372 *** This bug has been marked as a duplicate of 372 ***