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+From: Mark Walters <markwalters1009@gmail.com>\r
+To: Austin Clements <amdragon@MIT.EDU>, notmuch@notmuchmail.org\r
+Subject: Re: [PATCH] emacs: Make moving to the previous message move to the\r
+ previous boundary\r
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+\r
+On Sat, 14 Jul 2012, Austin Clements <amdragon@MIT.EDU> wrote:\r
+> Previously, notmuch-show-previous-message would move to the beginning\r
+> of the message before the message containing point. This patch makes\r
+> it instead move to the previous message *boundary*. That is, if point\r
+> isn't already at the beginning of the message, it moves to the\r
+> beginning of the current message. This is consistent with\r
+> notmuch-show-next-message, which can be thought of as moving to the\r
+> next message boundary. Several people have expressed a preference for\r
+> this.\r
+\r
+I like this change: the current behaviour has mildly confused/annoyed me\r
+in the past.\r
+\r
+>\r
+> This patch accompanies the series in [0] (though they're independent\r
+> and can be applied in either order). This makes the behavior of 'p'\r
+> and 'P' in show-mode conceptually similar to the new behavior of 'p'\r
+> in search-mode.\r
+>\r
+> [0] 1342140319-19859-1-git-send-email-amdragon@mit.edu\r
+>\r
+> emacs/notmuch-show.el | 10 +++++++---\r
+> 1 file changed, 7 insertions(+), 3 deletions(-)\r
+>\r
+> diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el\r
+> index 6335d45..02e319f 100644\r
+> --- a/emacs/notmuch-show.el\r
+> +++ b/emacs/notmuch-show.el\r
+> @@ -1525,9 +1525,11 @@ thread, navigate to the next thread in the parent search buffer."\r
+> (goto-char (point-max)))))\r
+> \r
+> (defun notmuch-show-previous-message ()\r
+> - "Show the previous message."\r
+> + "Show the previous message or the start of the current message."\r
+> (interactive)\r
+> - (notmuch-show-goto-message-previous)\r
+> + (if (= (point) (notmuch-show-message-top))\r
+> + (notmuch-show-goto-message-previous)\r
+> + (notmuch-show-move-to-message-top))\r
+> (notmuch-show-mark-read)\r
+> (notmuch-show-message-adjust))\r
+> \r
+> @@ -1587,7 +1589,9 @@ to show, nil otherwise."\r
+> (defun notmuch-show-previous-open-message ()\r
+> "Show the previous open message."\r
+> (interactive)\r
+> - (while (and (notmuch-show-goto-message-previous)\r
+> + (while (and (if (= (point) (notmuch-show-message-top))\r
+> + (notmuch-show-goto-message-previous)\r
+> + (notmuch-show-move-to-message-top))\r
+> (not (notmuch-show-message-visible-p))))\r
+> (notmuch-show-mark-read)\r
+> (notmuch-show-message-adjust))\r
+\r
+I would mildly prefer taking the testing for top of message out of the\r
+loop (I know it's one line longer) as\r
+\r
+ (if (= (point) (notmuch-show-message-top))\r
+ (notmuch-show-goto-message-previous)\r
+ (notmuch-show-move-to-message-top))\r
+ (while (and (not (notmuch-show-message-visible-p))\r
+ (notmuch-show-goto-message-previous)))\r
+\r
+but its obviously fine as is.\r
+\r
+Best wishes\r
+\r
+Mark\r