Implement the roff(7) .ll (line length) request.

Found by naddy@ in the textproc/enchant(1) port.
Of course, do not use this in new manuals.

4 files changed, 57 insertions, 2 deletions

diff --git a/regress/usr.bin/mandoc/roff/Makefile b/regress/usr.bin/mandoc/roff/Makefile
index 7a1fd52181e..900c6ec99c0 100644
--- a/regress/usr.bin/mandoc/roff/Makefile
+++ b/regress/usr.bin/mandoc/roff/Makefile
@@ -1,7 +1,7 @@
-# $OpenBSD: Makefile,v 1.14 2013/10/03 22:04:07 schwarze Exp $
+# $OpenBSD: Makefile,v 1.15 2014/03/30 19:47:32 schwarze Exp $
 
 SUBDIR  = args cond esc string
-SUBDIR += br cc de ds it na nr ps rm sp
+SUBDIR += br cc de ds it ll na nr ps rm sp
 
 ascii groff groff-clean obj-clean tman: _SUBDIRUSE
 
diff --git a/regress/usr.bin/mandoc/roff/ll/Makefile b/regress/usr.bin/mandoc/roff/ll/Makefile
new file mode 100644
index 00000000000..c8c99b9c840
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/ll/Makefile
@@ -0,0 +1,7 @@
+# $OpenBSD: Makefile,v 1.1 2014/03/30 19:47:32 schwarze Exp $
+
+REGRESS_TARGETS = basic
+
+SKIP_TMAN =
+
+.include <bsd.regress.mk>
diff --git a/regress/usr.bin/mandoc/roff/ll/basic.in b/regress/usr.bin/mandoc/roff/ll/basic.in
new file mode 100644
index 00000000000..15c7efaf933
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/ll/basic.in
@@ -0,0 +1,25 @@
+.Dd February 5, 2014
+.Dt LL-BASIC 1
+.Os OpenBSD
+.Sh NAME
+.Nm ll-basic
+.Nd changing the line length
+.Sh DESCRIPTION
+This is a longer text to demonstrate the default line length.
+In ASCII mode, it is expected to break at column 78.
+.Pp
+.ll 38n
+This is another long text to demonstrate shorter lines.
+In ASCII mode, it is expected to break at column 38.
+.Pp
+.ll
+This is a longer text after switching back to the default line length.
+In ASCII mode, it is expected to break at column 78.
+.Pp
+.ll 200n
+This is another long text to demonstrate longer lines.
+In ASCII mode, it is not expected to break at all.
+.Pp
+.ll
+This is a longer text after switching back to the default line length.
+In ASCII mode, it is expected to break at column 78.
diff --git a/regress/usr.bin/mandoc/roff/ll/basic.out_ascii b/regress/usr.bin/mandoc/roff/ll/basic.out_ascii
new file mode 100644
index 00000000000..bbf2a034322
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/ll/basic.out_ascii
@@ -0,0 +1,23 @@
+LL-BASIC(1)                OpenBSD Reference Manual                LL-BASIC(1)
+
+NNAAMMEE
+     llll--bbaassiicc - changing the line length
+
+DDEESSCCRRIIPPTTIIOONN
+     This is a longer text to demonstrate the default line length.  In ASCII
+     mode, it is expected to break at column 78.
+
+     This is another long text to
+     demonstrate shorter lines.  In
+     ASCII mode, it is expected to
+     break at column 38.
+
+     This is a longer text after switching back to the default line length.
+     In ASCII mode, it is expected to break at column 78.
+
+     This is another long text to demonstrate longer lines.  In ASCII mode, it is not expected to break at all.
+
+     This is a longer text after switching back to the default line length.
+     In ASCII mode, it is expected to break at column 78.
+
+OpenBSD                        February 5, 2014                        OpenBSD