[css-viewport-1] number / percentage should be alternates, not optionals #12452
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The viewport spec's
zoom
style value has the following grammar:<number [0,∞]> || <percentage [0,∞]>
I'm sure this is not correct, this would allow for values such as
zoom: 100% 0.5
,zoom: 0.75 50%
, and so on. AFAICT no browser supports such values and the spec does not describe what would happen if both values were supplied. I'm sure it is meant to be:<number [0,∞]> | <percentage [0,∞]>
Which would mean either a number or a percentage, but not both. Please let me know if I'm wrong though.