From 497dd16d7b8313aa9719138372e3d6eb8ad0b09f Mon Sep 17 00:00:00 2001
From: Tassilo Horn <tsdh@gnu.org>
Date: Fri, 29 Apr 2022 10:27:13 +0200
Subject: [PATCH] Add support for List-Id completion (list:<List-Id>)

---
 mu4e/mu4e-search.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mu4e/mu4e-search.el b/mu4e/mu4e-search.el
index 2edb9aaa..74c46855 100644
--- a/mu4e/mu4e-search.el
+++ b/mu4e/mu4e-search.el
@@ -442,7 +442,11 @@ status, STATUS."
           (match-end 2)
           mu4e--contacts-hash
           :exit-function
-          #'mu4e--search-completion-contacts-action))))
+          #'mu4e--search-completion-contacts-action))
+   ((looking-back "list:\\([a-zA-Z0-9/.@]*\\)" nil)
+    (list (match-beginning 1)
+          (match-end 1)
+          mu4e--lists-hash))))
 
 (define-minor-mode mu4e-search-minor-mode
   "Mode for searching for messages."