commit f5240b96f721b08d703340ff0b2e67b79fb8b821
author Bram Moolenaar <Bram@vim.org> Wed Aug 24 12:24:37 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Wed Aug 24 12:24:37 2022 +0100
tree ca491551437d156bb26b70f947fcb8fa091f541e
parent 762df0477c32065498805e09c15adc468a6cc8ea

patch 9.0.0252: cursor in wrong place after virtual text

Problem:    Cursor in wrong place after virtual text.
Solution:   Do not change the length of a virtual text property.
            (closes #10964)

src/textprop.c

diff --git a/src/textprop.c b/src/textprop.c
index 31e1be3..0ba5c20 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -2127,7 +2127,8 @@
 	else
 	    prop->tp_col += added;
     }
-    else if (prop->tp_len > 0 && prop->tp_col + prop->tp_len > col)
+    else if (prop->tp_len > 0 && prop->tp_col + prop->tp_len > col
+	    && prop->tp_id >= 0)  // don't change length for virtual text
     {
 	int after = col - added - (prop->tp_col - 1 + prop->tp_len);