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"Data blocks" syntax specification draft

On Wed, May 23, 2018 at 9:51 AM, bartc <bc at freeuk.com> wrote:
> On 22/05/2018 16:57, Chris Angelico wrote:
>> On Wed, May 23, 2018 at 1:43 AM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
>>> In other words, the rule is not really as simple as "commas make
>>> tuples". I stand by what I wrote.
>> Neither of us is wrong here.
> Sorry, but I don't think you're right at all. unless the official references
> for the language specifically say that commas are primarily for constructing
> tuples, and all other uses are exceptions to that rule.

"A tuple consists of a number of values separated by commas"

"Separating items with commas"

"Note that tuples are not formed by the parentheses, but rather by use
of the comma operator."

Enough examples? Commas make tuples, unless context specifies otherwise.