Subject: bug#53618: 29.0.50; macroexp-warn-and-return incompatible change

From: Lars Ingebrigtsen <[email-masked]>
Date: Sat, 29 Jan 2022 15:46:44 +0100

Alan Mackenzie <[email-masked]> writes:

> Something along those lines, yes.  The new argument is not in any sense
> optional.  It is absolutely required in order to generate a correct
> warning position.

But generating a correct warning position is new (optional) behaviour --
we didn't have that before.

-- 
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