Re: [w3c/payment-request] remove currencySystem member (#694)

@marcoscaceres, I think we're on the same page I just wanted to be clear on the nuances of what we're proposing to end up with after taking out `currencySystem`.

Can we include the following in the CfC to give WG members a summary of the expected new behaviour:

"Implementations will support a single currency system, ISO 4217. Specifically they will expect currency codes to be well-formed 3-letter codes as defined by ECMA 6 [`isWellFormedCurrencyCode`](https://www.ecma-international.org/ecma-402/4.0/index.html#sec-iswellformedcurrencycode). Implementations will therefor allow the use of well-formed codes that are not recognized currency codes from the ISO 4217 list such as XBT, XRP etc. If the provided code is a recognized currency then implementations MAY provide additional UI hints such as appropriate symbols in the user interface."

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Received on Monday, 26 March 2018 08:41:20 UTC