From 34091a7ac02b59ae92c9258e551d73f383869db9 Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Sat, 3 Jun 2017 15:55:24 +0000
Subject: ignore blank lines in man(7) next line scope; strange groff edge case
 behaviour found in multimedia/mjpegtools

---
 regress/man/B/Makefile        |  8 ++++++--
 regress/man/B/blank.in        |  9 +++++++++
 regress/man/B/blank.out_ascii | 13 +++++++++++++
 regress/man/B/blank.out_lint  |  1 +
 4 files changed, 29 insertions(+), 2 deletions(-)
 create mode 100644 regress/man/B/blank.in
 create mode 100644 regress/man/B/blank.out_ascii
 create mode 100644 regress/man/B/blank.out_lint

(limited to 'regress/man/B')

diff --git a/regress/man/B/Makefile b/regress/man/B/Makefile
index 8e4d72a9..0fbecac0 100644
--- a/regress/man/B/Makefile
+++ b/regress/man/B/Makefile
@@ -1,6 +1,10 @@
 # $OpenBSD: Makefile,v 1.1 2014/08/14 02:00:52 schwarze Exp $
 
-REGRESS_TARGETS	= args
-LINT_TARGETS	= args
+REGRESS_TARGETS	= args blank
+LINT_TARGETS	= args blank
+
+# groff-1.22.3 defect:
+# - A blank line in next line scope causes a blank line.
+SKIP_GROFF	= blank
 
 .include <bsd.regress.mk>
diff --git a/regress/man/B/blank.in b/regress/man/B/blank.in
new file mode 100644
index 00000000..eef5126f
--- /dev/null
+++ b/regress/man/B/blank.in
@@ -0,0 +1,9 @@
+.TH B-BLANK 1 "June 3, 2017" OpenBSD
+.SH NAME
+B-blank \- blank line in font macro next line scope
+.SH DESCRIPTION
+A blank line in
+.B
+
+bold
+next line scope.
diff --git a/regress/man/B/blank.out_ascii b/regress/man/B/blank.out_ascii
new file mode 100644
index 00000000..4ecf27d8
--- /dev/null
+++ b/regress/man/B/blank.out_ascii
@@ -0,0 +1,13 @@
+B-BLANK(1)                  General Commands Manual                 B-BLANK(1)
+
+
+
+NNAAMMEE
+       B-blank - blank line in font macro next line scope
+
+DDEESSCCRRIIPPTTIIOONN
+       A blank line in bboolldd next line scope.
+
+
+
+OpenBSD                          June 3, 2017                       B-BLANK(1)
diff --git a/regress/man/B/blank.out_lint b/regress/man/B/blank.out_lint
new file mode 100644
index 00000000..22e683ea
--- /dev/null
+++ b/regress/man/B/blank.out_lint
@@ -0,0 +1 @@
+mandoc: blank.in:7:1: WARNING: skipping blank line in line scope
-- 
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