commit d27f86179a20035dda9a5eb0d74dda269dae671c
from: Stefan Sperling <stsp@stsp.name>
via: Thomas Adam <thomas@xteddy.org>
date: Sun Oct 17 18:47:56 2021 UTC

set oldo.to in diff3.c's duplicate() even if the file contains no newlines

commit - 8e831ff19c364e7b4a4d77885cd3421502daeed3
commit + d27f86179a20035dda9a5eb0d74dda269dae671c
blob - 760f87b7c0057df475e28cc403bb02373f19f7f2
blob + 83a6b8e3a481fb9bcce5cdacd3e06b5295a7bfeb
--- lib/diff3.c
+++ lib/diff3.c
@@ -925,6 +925,10 @@ duplicate(int *dpl, int j, struct line_range *r1, stru
 			}
 		} while (c != '\n');
 	}
+
+	/* original lines end here */
+	d3s->de[j + 1].oldo.to = off + nchar;
+
 	err = repos(nchar, d3s);
 	if (err)
 		return err;