From: Eli Zaretskii <eliz@gnu.org>
Date: Thu, 9 Dec 2021 19:29:32 +0000 (+0200)
Subject: Fix logic in 'compute_window_start_on_continuation_line'
X-Git-Tag: emacs-29.0.90~3607^2
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c0b9041ebde82907711cc00a7c307fe622fb541c;p=emacs.git

Fix logic in 'compute_window_start_on_continuation_line'

* src/xdisp.c (compute_window_start_on_continuation_line): Fix a
thinko in logic.  Patch by dickmao <dick.r.chiang@gmail.com>.
(Bug#52378)
---

diff --git a/src/xdisp.c b/src/xdisp.c
index 813858422d4..89b295932ed 100644
--- a/src/xdisp.c
+++ b/src/xdisp.c
@@ -18089,7 +18089,7 @@ compute_window_start_on_continuation_line (struct window *w)
          point will not be visible with any window start we
          compute.  */
       if (IT_CHARPOS (it) <= PT
-	  || (CHARPOS (start_pos) - IT_CHARPOS (it)
+	  && (CHARPOS (start_pos) - IT_CHARPOS (it)
 	      /* PXW: Do we need upper bounds here?  */
 	      < WINDOW_TOTAL_LINES (w) * WINDOW_TOTAL_COLS (w)))
 	{