我想mutt在所选电子邮件正文的同时水平并排显示电子邮件索引。我了解您可以设置mutt为在垂直拆分中与邮件正文同时显示电子邮件索引。例如，在muttrc：
set pager_index_lines = 10 # number of index lines to show
set pager_context = 3 # number of context lines to show
这将产生一个窗格，该窗格在屏幕顶部显示电子邮件索引，而所选消息的主体在下面的窗格中。
62 r Jul 22 Sender 1 (783K) Subject 1
63 Sep 03 Sender 2 (2.9K) Subject 2
64 r Sep 17 Sender 3 (2.0K) Subject 3
65 r Sep 17 Sender 4 (4.9K) Subject 4
66 r Sep 18 Sender 5 (835K) Subject 5
67 Sep 21 Sender 6 (2.3K) Subject 6
68 Sep 21 Sender 7 (136K) Subject 7
69 Sep 24 Sender 8 ( 37K) Subject 8
70 r Sep 26 Sender 9 (3.8K) Subject 9
───────────────────[ 71 messages ]───────────────────────────────────────────────────────
Date: Thu, 17 Sep 2015 09:19:22 +0000
From: Sender 3 <foo@bar.com>
To: Me <foo@bar2.com>
Subject: Subject 3
user-agent: foo/bar
Body here. Luctus inceptos tortor parturient bibendum diam. Posuere diam, pharetra
purus nibh posuere, mi feugiat arcu, ve. Dis nostra inceptos, urna, et habitasse a
purus in est ante. Nisi eni lorem. Nonummy non. Leo, dictum venenatis. Mollis.
Dignissim est. Potenti diam et convallis proin aptent ipsum adipiscing dapibus.
是否可以使窗格水平相邻放置？即如下
62 r Jul 22 Sender 1 (783K) Subject 1 | Date: Thu, 17 Sep 2015 09:19:22 +0000
63 Sep 03 Sender 2 (2.9K) Subject 2 | From: Sender 3 <foo@bar.com>
64 r Sep 17 Sender 3 (2.0K) Subject 3 | To: Me <foo@bar2.com>
65 r Sep 17 Sender 4 (4.9K) Subject 4 | Subject: Subject 3
66 r Sep 18 Sender 5 (835K) Subject 5 | user-agent: foo/bar
67 Sep 21 Sender 6 (2.3K) Subject 6 |
68 Sep 21 Sender 7 (136K) Subject 7 | Body here. Luctus inceptos tortor parturient bibendum diam. Posuere diam, pharetra
69 Sep 24 Sender 8 ( 37K) Subject 8 | purus nibh posuere, mi feugiat arcu, ve. Dis nostra inceptos, urna, et habitasse a
70 r Sep 26 Sender 9 (3.8K) Subject 9 | purus in est ante. Nisi eni lorem. Nonummy non. Leo, dictum venenatis. Mollis.