Subject: bug#68808: subsecond mtime discovery code insufficient

From: "Zack Weinberg" <[email-masked]>
Date: Tue, 30 Jan 2024 18:34:16 -0500

On Tue, Jan 30, 2024, at 6:32 PM, Karl Berry wrote:
> test "$[*]" != "X conftest.ts1 conftest.ts2" ||
> ..
> test "$[]2" = conftest.ts3 &&
> ..
> etc.
>
> I've never seen anything like that before. 

Oh! Those square brackets are M4 quotes to prevent M4 from expanding $* and $2 itself.

zw