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bug#11720: 24.1; outline-mode : cursor and point mismatch ?
From: |
Eli Zaretskii |
Subject: |
bug#11720: 24.1; outline-mode : cursor and point mismatch ? |
Date: |
Sat, 16 Jun 2012 14:55:18 +0300 |
> Date: Fri, 15 Jun 2012 16:31:15 +0200
> From: Nicolas Richard <theonewiththeevillook@yahoo.fr>
>
> Say I have a buffer with the two lines:
> * A
> Some text
>
> and I hit C-c C-d (hide-subtree) and M-<. Now I have:
> * A...
> ^
> where '...' indicates hidden text and '^' indicates the
> position of the cursor (on the title line).
>
> Then hitting C-f a few times will advance the cursor successively :
> * A...
> ^
> * A...
> ^
> * A...
> ^ <- I did not expect this.
> * A...
> ^
Actually, the behavior in Emacs 24.1 is this:
* A...
^
* A...
^ <- I did not expect this.
* A...
^
> The behaviour that I expected was :
> * A...
> ^
> * A...
> ^
> * A...
> ^ <- different
> * A...
> ^
No, you expected this:
* A...
^
* A...
^ <- different
* A...
^
Anyway, I think I fixed this now, in revision 108626 on the trunk. If
you can build your own Emacs, the patch is below; please try it and
tell if the problem is solved for you, or there are any leftovers.
Thanks.
--- src/xdisp.c 2012-06-16 10:18:21 +0000
+++ src/xdisp.c 2012-06-16 11:47:44 +0000
@@ -13937,16 +13937,13 @@ set_cursor_from_row (struct window *w, s
break;
}
/* See if we've found a better approximation to
- POS_BEFORE or to POS_AFTER. Note that we want the
- first (leftmost) glyph of all those that are the
- closest from below, and the last (rightmost) of all
- those from above. */
+ POS_BEFORE or to POS_AFTER. */
if (0 > dpos && dpos > pos_before - pt_old)
{
pos_before = glyph->charpos;
glyph_before = glyph;
}
- else if (0 < dpos && dpos <= pos_after - pt_old)
+ else if (0 < dpos && dpos < pos_after - pt_old)
{
pos_after = glyph->charpos;
glyph_after = glyph;
@@ -14030,7 +14027,7 @@ set_cursor_from_row (struct window *w, s
pos_before = glyph->charpos;
glyph_before = glyph;
}
- else if (0 < dpos && dpos <= pos_after - pt_old)
+ else if (0 < dpos && dpos < pos_after - pt_old)
{
pos_after = glyph->charpos;
glyph_after = glyph;