[patch] gnus-summary-articles-in-thread doesn't work properly with explicit argument

[Daniel Schoepe <daniel.schoepe@googlemail.com>]

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When calling gnus-summary-articles-in-thread with an article that is
different from (gnus-summary-article-number), it can return incorrent
results:

[post]
  [reply1]
    [reply2]
  [reply3]

When calling gnus-summary-articles-in-thread with post's id as argument,
while the point is at [reply2], gnus-summary-go-to-next-thread will jump
to reply3 causing gnus-summary-articles-in-thread to stop searching for
messages right before [reply3].
I think this behaviour is a bug, since it doesn't conform to the
function's documentation.

I attached a patch that should fix this.

Regards,
Daniel


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From dbcc189b4c9d4c53f7254a1e67040805bd7e4f26 Mon Sep 17 00:00:00 2001
From: Daniel Schoepe <daniel.schoepe@googlemail.com>
Date: Wed, 24 Nov 2010 16:45:26 +0100
Subject: [PATCH] go to correct line in Summary buffer in gnus-summary-articles-in-thread

This fixes a bug that causes gnus-summary-articles-in-thread to return
incorrect results when calling it with an explicit article argument
different from (gnus-summary-article-number)
---
 lisp/gnus-sum.el |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/lisp/gnus-sum.el b/lisp/gnus-sum.el
index ff85d45..4e4fc5b 100644
--- a/lisp/gnus-sum.el
+++ b/lisp/gnus-sum.el
@@ -11232,6 +11232,7 @@ with that article."
 		  (mail-header-subject (gnus-data-header (car data)))))
 		(t nil)))
 	 (end-point (save-excursion
+		      (goto-char (gnus-data-pos (car data)))
 		      (if (gnus-summary-go-to-next-thread)
 			  (point) (point-max))))
 	 articles)
-- 
1.7.2.3