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Re: Diff Project --invoke-diff-cmd part

From: Alan Barrett <apb_at_cequrux.com>
Date: Wed, 24 Apr 2013 09:44:11 +0200

On Tue, 23 Apr 2013, Gabriela Gibson wrote:
>> Also, a minor design nit (sorry, no code review): The "---f1"
>> construct is something I've never seen before.
> That's why I picked it --- I checked extensively, and no-one
> uses a triple dash, so it does exactly what we hope it
> will: never interfere with anything that people might do. Also,
> I think it looks quite 'unixy' and it's easy to read. I expect
> fewer problems on windows.

Speaking as somebody who might use this feature, I would much
prefer a more familiar notation like "%(f1)". To my eyes, "---f1"
does not look unixy or easy to read; familiar constructs are
easier to read than unfamiliar constructs.

In addition to the familiarity issue, there's an issue with
escapes: you need a way of representing a literal "---f1" sequence
that does not expand to anything. With notation like "%(f1)"
there's already a widespread convention of using "%%" to represent
a "%" character that does not introduce an expnsion.

--apb (Alan Barrett)
Received on 2013-04-24 09:44:59 CEST

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