GNU bug report logs - #21080
Scrolling bug

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From: Bru Rom <sortir <at> gmail.com>
To: 21080 <at> debbugs.gnu.org
Subject: bug#21080: Scrolling bug
Date: Fri, 17 Jul 2015 19:51:12 +0300

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Hi!

I work in terminal on Ubuntu 15.04 (xterm, GNOME terminal) with very big
text files, very long lines and warping (via global-visual-line). I want to
scroll by one line, so i set scroll-conservatively to
most-positive-fixnum. When i read text and scroll down everything is fine,
but when i want to return back and scroll up *over warped lines*, cursor
jumps on the second line from the top of window. According to manual, faq,
wiki and google i try to play with other scroll-related settings, such as
margin, aggressiveness, step, but with no result. Cursor still jump by two
lines when moving up. Looks like a bug. In GUI version everything is good
and scrolls by one line. This bug is only in terminals. Confirm with 24.4.1
and 24.5.

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