improve markup quality in the cases found by the new "--" style message

2 files changed, 10 insertions, 14 deletions

diff --git a/lib/libc/gen/vis.3 b/lib/libc/gen/vis.3
index 08ee3b519b5..da67fb38cf2 100644
--- a/lib/libc/gen/vis.3
+++ b/lib/libc/gen/vis.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: vis.3,v 1.35 2015/07/20 01:52:28 millert Exp $
+.\"	$OpenBSD: vis.3,v 1.36 2018/03/16 16:58:26 schwarze Exp $
 .\"
 .\" Copyright (c) 1989, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: July 20 2015 $
+.Dd $Mdocdate: March 16 2018 $
 .Dt VIS 3
 .Os
 .Sh NAME
@@ -187,9 +187,8 @@ Only encode
 characters.
 These are control characters which may cause common terminals to perform
 unexpected functions.
-Currently this form allows space,
-tab, newline, backspace, bell, and return -- in addition
-to all graphic characters -- unencoded.
+Currently this form allows space, tab, newline, backspace, bell,
+and return \(em in addition to all graphic characters \(em unencoded.
 .El
 .Pp
 There are three forms of encoding.
diff --git a/lib/libc/time/tzset.3 b/lib/libc/time/tzset.3
index 33bb84b2a87..e9f8e47dfe0 100644
--- a/lib/libc/time/tzset.3
+++ b/lib/libc/time/tzset.3
@@ -1,5 +1,5 @@
-.\"	$OpenBSD: tzset.3,v 1.22 2015/11/10 20:58:20 millert Exp $
-.Dd $Mdocdate: November 10 2015 $
+.\"	$OpenBSD: tzset.3,v 1.23 2018/03/16 16:58:26 schwarze Exp $
+.Dd $Mdocdate: March 16 2018 $
 .Dt TZSET 3
 .Os
 .Sh NAME
@@ -96,10 +96,7 @@ minus
 .Pq Sq \&- ,
 plus
 .Pq Sq \&+ ,
-and
-.Tn ASCII
-.Tn NUL
-are allowed.
+and ASCII NUL are allowed.
 .It Ar offset
 Indicates the value one must add to the local time to arrive at
 Coordinated Universal Time.
@@ -129,7 +126,7 @@ summer time is assumed to be one hour ahead of standard time.
 One or more digits may be used; the value is always interpreted as a
 decimal number.
 The hour must be between zero and 24, and the minutes (and
-seconds) -- if present -- between zero and 59.
+seconds) \(em if present \(em between zero and 59.
 If preceded by a
 .Dq \&- ,
 the time zone shall be east of the Prime Meridian; otherwise it shall be
@@ -161,8 +158,8 @@ is one of the following:
 The Julian day
 .Ar n
 .Pq 1 <= Ar n No <= 365 .
-Leap days are not counted; that is, in all years -- including leap
-years -- February 28 is day 59 and March 1 is day 60.
+Leap days are not counted; that is, in all years \(em including leap
+years \(em February 28 is day 59 and March 1 is day 60.
 It is impossible to explicitly refer to the occasional February 29.
 .It Ar n
 The zero-based Julian day