traceon does not work with a macro whose name is the empty string

bug-m4

From:	4dr14n31t0r Th3 G4m3r
Subject:	traceon does not work with a macro whose name is the empty string
Date:	Tue, 26 Oct 2021 03:02:31 +0200

This m4 script does not show the trace for the macro whose name is the empty string:

changequote([,])

define([],[Hello world])

traceon([])

indir([])

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traceon does not work with a macro whose name is the empty string, 4dr14n31t0r Th3 G4m3r <=
- Re: traceon does not work with a macro whose name is the empty string, Eric Blake, 2021/10/26
  - Re: traceon does not work with a macro whose name is the empty string, 4dr14n31t0r Th3 G4m3r, 2021/10/26