text: improve text_line_down on the last line of the file

Fix martanne#873
benhormann · Sep 17, 2020 · 5d8f65f · 5d8f65f
1 parent 31d6cee
commit 5d8f65f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/text-motions.c b/text-motions.c
@@ -287,6 +287,8 @@ size_t text_line_up(Text *txt, size_t pos) {
 size_t text_line_down(Text *txt, size_t pos) {
 	int width = text_line_width_get(txt, pos);
 	size_t next = text_line_next(txt, pos);
+	if (next == text_size(txt))
+		return pos;
 	return text_line_width_set(txt, next, width);
 }