From 9823e901c3d903e8ffe0a24ce692ad6192186643 Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Tue, 28 Jun 2022 03:18:58 +0100
Subject: notmuch:// for browse-url (useful, e.g., for markdown-mode)

---
 custom/jao-custom-notmuch.el | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/custom/jao-custom-notmuch.el b/custom/jao-custom-notmuch.el
index d65958f..5673242 100644
--- a/custom/jao-custom-notmuch.el
+++ b/custom/jao-custom-notmuch.el
@@ -541,6 +541,16 @@
                ("M-g" . jao-notmuch-browse-url)
                ("M-u" . jao-notmuch-tree-reset-tags))))
 
+;;; browse-url
+(defvar jao-notmuch-url-rx "^notmuch:\\(/+\\|id:\\)\\(.+\\)")
+
+(defun jao-notmuch-open-url (url &rest _)
+  (and (string-match jao-notmuch-url-rx url)
+       (notmuch-show (concat "id:" (match-string 2 url)))))
+
+(add-to-list 'browse-url-handlers
+             (cons jao-notmuch-url-rx 'jao-notmuch-open-url))
+
 ;;; org mode
 (defvar jao-org-notmuch-last-subject nil)
 (defun jao-org-notmuch-last-subject () jao-org-notmuch-last-subject)
-- 
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