config: allow custom separators in author lists

Allow distinguishing between commas separating authors and separating
first and last names.

Amended by db: reformat NEWS entry and commit message. Tweaked
whitespace in lib/thread.cc.

1 files changed, 11 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index cf8107f2..8c0ab15b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+Notmuch 0.39 (UNRELEASED)
+=========================
+
+General
+-------
+
+Allow to customize the separator between individual and matched and
+non-matched authors when showing threads. See
+`search.authors_separator` and `search.authors_matched_separator` in
+notmuch-config(1).
+
 Notmuch 0.38.3 (2024-03-09)
 ===========================