Wiki: contributing
A GHC GitLab instance account holder's primary email is the default commit email.
I presume what's referred to possibly among others is the email appearing on patches.
From 8b417ad54a91a7e12671cf059e0b5a3be43bbce2 Mon Sep 17 00:00:00 2001
From: Eric Lindblad <lindblad@example.net>
Date: Sat, 9 Jul 2022 18:23:33 +0000
Subject: [PATCH] tarball
This can be changed on the profile page Commit email section to a private email.
00001-username@users.gitlab.noreply.gitlab.haskell.org
.
I think a bullet point might be added to the Wiki page's advice section informing of that option.
I'm not inclined to edit that page myself as others might be better qualified regarding a presentation of that information.