[src/trunk]: src/tests/usr.bin/indent tests/indent: document how empty lines ...

[rillig <rillig%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/81fba96e0d2c
branches:  trunk
changeset: 990050:81fba96e0d2c
user:      rillig <rillig%NetBSD.org@localhost>
date:      Sun Oct 24 21:55:07 2021 +0000

description:
tests/indent: document how empty lines in box comments are handled

diffstat:

 tests/usr.bin/indent/token_comment.c |  17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)

diffs (28 lines):

diff -r 9e364c25264a -r 81fba96e0d2c tests/usr.bin/indent/token_comment.c
--- a/tests/usr.bin/indent/token_comment.c      Sun Oct 24 21:48:16 2021 +0000
+++ b/tests/usr.bin/indent/token_comment.c      Sun Oct 24 21:55:07 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: token_comment.c,v 1.6 2021/10/24 21:48:16 rillig Exp $ */
+/* $NetBSD: token_comment.c,v 1.7 2021/10/24 21:55:07 rillig Exp $ */
 /* $FreeBSD$ */
 
 /*
@@ -714,3 +714,18 @@
 #indent end
 
 #indent run-equals-input -nfc1
+
+/*
+ * A completely empty line in a box comment must be copied unmodified to the
+ * output. This is done in process_comment by adding a space to the end of an
+ * otherwise empty comment. This space forces dump_line to add some output,
+ * but the trailing space is discarded, resulting in an empty line.
+ */
+#indent input
+/*- comment
+
+
+end */
+#indent end
+
+#indent run-equals-input -nfc1