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From: "Ævar Arnfjörð Bjarmason" <>
To: Johannes Sixt <>
Cc: "Marc-André Lureau" <>,
	"Junio C Hamano" <>,
Subject: Re: [PATCH] userdiff: two simplifications of patterns for rust
Date: Thu, 30 May 2019 20:59:04 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, May 30 2019, Johannes Sixt wrote:

> - Do not enforce (but assume) syntactic correctness of language
>   constructs that go into hunk headers: we only want to ensure that
>   the keywords actually are words and not just the initial part of
>   some identifier.
> - In the word regex, match numbers only when they begin with a digit,
>   but then be liberal in what follows, assuming that the text that is
>   matched is syntactially correct.

I don't know if this is possible for Rust (but very much suspect so...),
but I think that in general we should aim to be more forgiving than not
with these patterns.

Because, as the history of userdiff.c shows, new keywords get introduced
into these languages, and old git versions survive for a long time. If
the syntax is otherwise fairly regular perhaps we don't need to hardcode
the list of existing keywords?

  reply	other threads:[~2019-05-30 18:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20 17:04 [PATCH v3] userdiff: add built-in pattern for rust marcandre.lureau
2019-05-20 19:52 ` Johannes Sixt
2019-05-21 10:57   ` Marc-André Lureau
2019-05-28 16:34     ` Junio C Hamano
2019-05-28 20:31       ` Johannes Sixt
2019-05-28 21:01         ` Marc-André Lureau
2019-05-30 16:44           ` [PATCH] userdiff: two simplifications of patterns " Johannes Sixt
2019-05-30 18:59             ` Ævar Arnfjörð Bjarmason [this message]
2019-05-30 20:32               ` Johannes Sixt

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