From db1dc984c3c4b492d9b3e20fbed30d06100d084a Mon Sep 17 00:00:00 2001
From: Richard Ipsum <richardipsum@vx21.xyz>
Date: Fri, 9 Oct 2020 15:52:09 +0100
Subject: [PATCH] fold: don't putchar('\n') if last byte is '\n'

---
 fold.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fold.c b/fold.c
index dfce7c8..0d68b37 100644
--- a/fold.c
+++ b/fold.c
@@ -23,7 +23,8 @@ foldline(struct line *l) {
 			len = ((sflag && spacesect) ? spacesect : i) - last;
 			if (fwrite(l->data + last, 1, len, stdout) != len)
 				eprintf("fwrite <stdout>:");
-			putchar('\n');
+			if (l->data[i] != '\n')
+				putchar('\n');
 			last = (sflag && spacesect) ? spacesect : i;
 			col = 0;
 			spacesect = 0;