commit 9b2edfd3bf2f14a1faaee9b62930598a2e77a798
author LemonBoy <thatlemon@gmail.com> Sun May 22 15:35:53 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Sun May 22 15:35:53 2022 +0100
tree 9fe3171945da415e62d665f2393acdde85904069
parent 8a3704723c40779d688ef957dbe5bd8b65c25f95

patch 8.2.5002: deletebufline() may change Visual selection

Problem:    deletebufline() may change Visual selection.
Solution:   Disable Visual mode when using another buffer. (closes #10469)

src/evalbuffer.c

diff --git a/src/evalbuffer.c b/src/evalbuffer.c
index 13f813e..7de7271 100644
--- a/src/evalbuffer.c
+++ b/src/evalbuffer.c
@@ -510,6 +510,7 @@
     tabpage_T	*tp;
     win_T	*wp;
     int		did_emsg_before = did_emsg;
+    int		save_VIsual_active = VIsual_active;
 
     rettv->vval.v_number = 1;	// FAIL by default
 
@@ -538,6 +539,7 @@
 
     if (!is_curbuf)
     {
+	VIsual_active = FALSE;
 	curbuf_save = curbuf;
 	curwin_save = curwin;
 	curbuf = buf;
@@ -582,6 +584,7 @@
     {
 	curbuf = curbuf_save;
 	curwin = curwin_save;
+	VIsual_active = save_VIsual_active;
     }
     rettv->vval.v_number = 0; // OK
 }