Messages of the -Wbase level now print STYLE:. Since this

causes horrible churn anyway, profit of the opportunity to stop
excessive testing, such that this is hopefully the last instance
of such churn.  Consistently use OpenBSD RCS tags, blank .Os,
blank fourth .TH argument, and Mdocdate like everywhere else.
Use -Ios=OpenBSD for platform-independent predictable output.

44 files changed, 91 insertions, 80 deletions

diff --git a/regress/eqn/define/font.in b/regress/eqn/define/font.in
index 627c7e05..0bc98009 100644
--- a/regress/eqn/define/font.in
+++ b/regress/eqn/define/font.in
@@ -1,6 +1,7 @@
-.Dd June 25, 2017
+.\" $OpenBSD: font.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt DEFINE-FONT 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm define-font
 .Nd font selection takes place after define resolution
diff --git a/regress/eqn/define/font.out_ascii b/regress/eqn/define/font.out_ascii
index 57199257..3318e343 100644
--- a/regress/eqn/define/font.out_ascii
+++ b/regress/eqn/define/font.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text sin _x _v_a_l_u_e final text
 
-OpenBSD                          June 25, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/define/infinite.in b/regress/eqn/define/infinite.in
index f37602fb..de930fc7 100644
--- a/regress/eqn/define/infinite.in
+++ b/regress/eqn/define/infinite.in
@@ -1,6 +1,7 @@
-.Dd March 11, 2017
+.\" $OpenBSD: infinite.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt DEFINE-INFINITE 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm define-infinite
 .Nd infinite recursion in define statements
diff --git a/regress/eqn/define/infinite.out_ascii b/regress/eqn/define/infinite.out_ascii
index 772d526b..7219ce5b 100644
--- a/regress/eqn/define/infinite.out_ascii
+++ b/regress/eqn/define/infinite.out_ascii
@@ -12,4 +12,4 @@ DDEESSCCRRIIPPTTIIOONN
 
      trailing position: eol
 
-OpenBSD                         March 11, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/define/infinite.out_lint b/regress/eqn/define/infinite.out_lint
index 4c142ecb..43089bb3 100644
--- a/regress/eqn/define/infinite.out_lint
+++ b/regress/eqn/define/infinite.out_lint
@@ -1,7 +1,4 @@
-mandoc: infinite.in:9:2: ERROR: input stack limit exceeded, infinite loop?
-mandoc: infinite.in:15:2: ERROR: input stack limit exceeded, infinite loop?
-mandoc: infinite.in:21:2: ERROR: input stack limit exceeded, infinite loop?
-mandoc: infinite.in:27:2: ERROR: input stack limit exceeded, infinite loop?
-mandoc: infinite.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
-mandoc: infinite.in:1:5: BASE: Mdocdate missing: Dd March (OpenBSD)
-mandoc: infinite.in: BASE: RCS id missing: (OpenBSD)
+mandoc: infinite.in:10:2: ERROR: input stack limit exceeded, infinite loop?
+mandoc: infinite.in:16:2: ERROR: input stack limit exceeded, infinite loop?
+mandoc: infinite.in:22:2: ERROR: input stack limit exceeded, infinite loop?
+mandoc: infinite.in:28:2: ERROR: input stack limit exceeded, infinite loop?
diff --git a/regress/eqn/define/invalid.in b/regress/eqn/define/invalid.in
index aa8bcb8c..50daa35f 100644
--- a/regress/eqn/define/invalid.in
+++ b/regress/eqn/define/invalid.in
@@ -1,6 +1,7 @@
-.Dd January 28, 2015
+.\" $OpenBSD: invalid.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt DEFINE-INVALID 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm define-invalid
 .Nd invalid define and undef statements
diff --git a/regress/eqn/define/invalid.out_ascii b/regress/eqn/define/invalid.out_ascii
index 62496650..3f518a75 100644
--- a/regress/eqn/define/invalid.out_ascii
+++ b/regress/eqn/define/invalid.out_ascii
@@ -14,4 +14,4 @@ DDEESSCCRRIIPPTTIIOONN
 
      tdefine without value: eol
 
-OpenBSD                        January 28, 2015                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/define/invalid.out_lint b/regress/eqn/define/invalid.out_lint
index a2c4f423..1e692176 100644
--- a/regress/eqn/define/invalid.out_lint
+++ b/regress/eqn/define/invalid.out_lint
@@ -1,8 +1,5 @@
-mandoc: invalid.in:9:2: WARNING: skipping empty request: define
-mandoc: invalid.in:15:2: WARNING: skipping empty request: define bruch
-mandoc: invalid.in:21:2: WARNING: skipping empty request: undef
-mandoc: invalid.in:27:2: WARNING: skipping empty request: tdefine
-mandoc: invalid.in:33:2: WARNING: skipping empty request: tdefine
-mandoc: invalid.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
-mandoc: invalid.in:1:5: BASE: Mdocdate missing: Dd January (OpenBSD)
-mandoc: invalid.in: BASE: RCS id missing: (OpenBSD)
+mandoc: invalid.in:10:2: WARNING: skipping empty request: define
+mandoc: invalid.in:16:2: WARNING: skipping empty request: define bruch
+mandoc: invalid.in:22:2: WARNING: skipping empty request: undef
+mandoc: invalid.in:28:2: WARNING: skipping empty request: tdefine
+mandoc: invalid.in:34:2: WARNING: skipping empty request: tdefine
diff --git a/regress/eqn/define/quoted.in b/regress/eqn/define/quoted.in
index a98733f1..35d13b87 100644
--- a/regress/eqn/define/quoted.in
+++ b/regress/eqn/define/quoted.in
@@ -1,6 +1,7 @@
-.Dd June 25, 2017
+.\" $OpenBSD: quoted.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt DEFINE-QUOTED 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm define-quoted
 .Nd interaction of the define control statement with quoting
diff --git a/regress/eqn/define/quoted.out_ascii b/regress/eqn/define/quoted.out_ascii
index ed86222f..ad3404bc 100644
--- a/regress/eqn/define/quoted.out_ascii
+++ b/regress/eqn/define/quoted.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _u_n_q_u_o_t_e_d sin _q_u_o_t_e_d _s_i_n final text
 
-OpenBSD                          June 25, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/delim/basic.in b/regress/eqn/delim/basic.in
index 60a09701..8c17e80a 100644
--- a/regress/eqn/delim/basic.in
+++ b/regress/eqn/delim/basic.in
@@ -1,6 +1,7 @@
-.Dd June 26, 2017
+.\" $OpenBSD: basic.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt DELIM-BASIC 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm delim-basic
 .Nd inline eqn delimiters
diff --git a/regress/eqn/delim/basic.out_ascii b/regress/eqn/delim/basic.out_ascii
index d139aabd..3f317b69 100644
--- a/regress/eqn/delim/basic.out_ascii
+++ b/regress/eqn/delim/basic.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text a inline B y inline <delta> e inline ,C final text
 
-OpenBSD                          June 26, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/fromto/basic.in b/regress/eqn/fromto/basic.in
index 5d42605a..d37747f3 100644
--- a/regress/eqn/fromto/basic.in
+++ b/regress/eqn/fromto/basic.in
@@ -1,6 +1,7 @@
-.Dd January 1, 2015
+.\" $OpenBSD: basic.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt FROMTO-BASIC 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm fromto-basic
 .Nd vertical stacking
diff --git a/regress/eqn/fromto/basic.out_ascii b/regress/eqn/fromto/basic.out_ascii
index f8572579..e4530a15 100644
--- a/regress/eqn/fromto/basic.out_ascii
+++ b/regress/eqn/fromto/basic.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text E_(_i = 1)^oo 1/_i^2 final text
 
-OpenBSD                         January 1, 2015                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/fromto/noarg.in b/regress/eqn/fromto/noarg.in
index e37d2e93..c10e6dc5 100644
--- a/regress/eqn/fromto/noarg.in
+++ b/regress/eqn/fromto/noarg.in
@@ -1,6 +1,7 @@
-.Dd January 1, 2015
+.\" $OpenBSD: noarg.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt FROMTO-NOARG 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm fromto-noarg
 .Nd vertical stacking lacks final argument
diff --git a/regress/eqn/fromto/noarg.out_ascii b/regress/eqn/fromto/noarg.out_ascii
index 312fc36e..c09dcde2 100644
--- a/regress/eqn/fromto/noarg.out_ascii
+++ b/regress/eqn/fromto/noarg.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _x__a^^ final text
 
-OpenBSD                         January 1, 2015                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/matrix/basic.in b/regress/eqn/matrix/basic.in
index 09e318b3..c7168d5f 100644
--- a/regress/eqn/matrix/basic.in
+++ b/regress/eqn/matrix/basic.in
@@ -1,6 +1,7 @@
-.Dd October 10, 2014
+.\" $OpenBSD: basic.in,v 1.3 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt MATRIX-BASIC 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm matrix-basic
 .Nd matrixes in equations
diff --git a/regress/eqn/matrix/basic.out_ascii b/regress/eqn/matrix/basic.out_ascii
index a7a1ba21..21087dee 100644
--- a/regress/eqn/matrix/basic.out_ascii
+++ b/regress/eqn/matrix/basic.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text ((_a_11 _a_21) (_a_12 _a_22)) (_b_1 _b_2) [sin ssiinn] final text
 
-OpenBSD                        October 10, 2014                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/matrix/empty.in b/regress/eqn/matrix/empty.in
index fda70b2f..e1cfcc6b 100644
--- a/regress/eqn/matrix/empty.in
+++ b/regress/eqn/matrix/empty.in
@@ -1,6 +1,7 @@
-.Dd February 12, 2017
+.\" $OpenBSD: empty.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt MATRIX-EMPTY 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm matrix-empty
 .Nd empty matrixes
diff --git a/regress/eqn/matrix/empty.out_ascii b/regress/eqn/matrix/empty.out_ascii
index ca555848..aba8f08c 100644
--- a/regress/eqn/matrix/empty.out_ascii
+++ b/regress/eqn/matrix/empty.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text () () final text
 
-OpenBSD                        February 12, 2017                       OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/nullary/roman.in b/regress/eqn/nullary/roman.in
index f808ba7a..9bd77de0 100644
--- a/regress/eqn/nullary/roman.in
+++ b/regress/eqn/nullary/roman.in
@@ -1,6 +1,7 @@
-.Dd June 25, 2017
+.\" $OpenBSD: roman.in,v 1.3 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt NULLARY-ROMAN 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm nullary-roman
 .Nd equation tokens set in roman font
diff --git a/regress/eqn/nullary/roman.out_ascii b/regress/eqn/nullary/roman.out_ascii
index 7b50dc46..1ae9a78d 100644
--- a/regress/eqn/nullary/roman.out_ascii
+++ b/regress/eqn/nullary/roman.out_ascii
@@ -11,4 +11,4 @@ DDEESSCCRRIIPPTTIIOONN
      operations: sin ssiinn -- superstring: _s_i_n_u_s -- composite word: tan = _s_i_n /
      _c_o_s -- final text
 
-OpenBSD                          June 25, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/nullary/symbol.in b/regress/eqn/nullary/symbol.in
index f43e9e5a..00d614a6 100644
--- a/regress/eqn/nullary/symbol.in
+++ b/regress/eqn/nullary/symbol.in
@@ -1,6 +1,7 @@
-.Dd June 25, 2017
+.\" $OpenBSD: symbol.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt NULLARY-SYMBOL 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm nullary-symbol
 .Nd equation tokens for symbols
diff --git a/regress/eqn/nullary/symbol.out_ascii b/regress/eqn/nullary/symbol.out_ascii
index bbb74390..90459c37 100644
--- a/regress/eqn/nullary/symbol.out_ascii
+++ b/regress/eqn/nullary/symbol.out_ascii
@@ -7,4 +7,4 @@ DDEESSCCRRIIPPTTIIOONN
      initial text -- unquoted words: e ' -- quoted words: _e_p_s_i_l_o_n _p_r_i_m_e --
      composite word: _e_p_s_i_l_o_n - _p_r_i_m_e -- final text
 
-OpenBSD                          June 25, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/nullary/symbol.out_utf8 b/regress/eqn/nullary/symbol.out_utf8
index 7fae3b44..a6ef313a 100644
--- a/regress/eqn/nullary/symbol.out_utf8
+++ b/regress/eqn/nullary/symbol.out_utf8
@@ -7,4 +7,4 @@ DDEESSCCRRIIPPTTIIOONN
      initial text — unquoted words: ε ′ — quoted words: _e_p_s_i_l_o_n _p_r_i_m_e —
      composite word: _e_p_s_i_l_o_n - _p_r_i_m_e — final text
 
-OpenBSD                          June 25, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/over/noarg.in b/regress/eqn/over/noarg.in
index ac93fcca..bf42749f 100644
--- a/regress/eqn/over/noarg.in
+++ b/regress/eqn/over/noarg.in
@@ -1,6 +1,7 @@
-.Dd January 1, 2015
+.\" $OpenBSD: noarg.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt OVER-NOARG 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm over-noarg
 .Nd fraction operator without arguments
diff --git a/regress/eqn/over/noarg.out_ascii b/regress/eqn/over/noarg.out_ascii
index 4057f6bd..22ceb49e 100644
--- a/regress/eqn/over/noarg.out_ascii
+++ b/regress/eqn/over/noarg.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text // final text
 
-OpenBSD                         January 1, 2015                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/over/noarg.out_lint b/regress/eqn/over/noarg.out_lint
index e6ac320a..de34469c 100644
--- a/regress/eqn/over/noarg.out_lint
+++ b/regress/eqn/over/noarg.out_lint
@@ -1,4 +1 @@
-mandoc: noarg.in:9:2: WARNING: missing eqn box, using "": over
-mandoc: noarg.in:3:5: BASE: operating system explicitly specified: Os OpenBSD (OpenBSD)
-mandoc: noarg.in:1:5: BASE: Mdocdate missing: Dd January (OpenBSD)
-mandoc: noarg.in: BASE: RCS id missing: (OpenBSD)
+mandoc: noarg.in:10:2: WARNING: missing eqn box, using "": over
diff --git a/regress/eqn/over/precedence.in b/regress/eqn/over/precedence.in
index 2386ff8c..9e1bb7d7 100644
--- a/regress/eqn/over/precedence.in
+++ b/regress/eqn/over/precedence.in
@@ -1,6 +1,7 @@
-.Dd October 10, 2014
+.\" $OpenBSD: precedence.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt OVER-PRECEDENCE 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm over-precedence
 .Nd precedence of the fraction operator
diff --git a/regress/eqn/over/precedence.out_ascii b/regress/eqn/over/precedence.out_ascii
index 80bec6c2..92529bb4 100644
--- a/regress/eqn/over/precedence.out_ascii
+++ b/regress/eqn/over/precedence.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text 1 + _x + _x^2/2 + _x^3/(2 * 3) final text
 
-OpenBSD                        October 10, 2014                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/size/basic.in b/regress/eqn/size/basic.in
index af9b20e8..2feda6c6 100644
--- a/regress/eqn/size/basic.in
+++ b/regress/eqn/size/basic.in
@@ -1,6 +1,7 @@
-.Dd October 10, 2014
+.\" $OpenBSD: basic.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt SIZE-BASIC 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm size-basic
 .Nd font sizes
diff --git a/regress/eqn/size/basic.out_ascii b/regress/eqn/size/basic.out_ascii
index 2f825eaa..c134b34e 100644
--- a/regress/eqn/size/basic.out_ascii
+++ b/regress/eqn/size/basic.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _x _x _x _x final text
 
-OpenBSD                        October 10, 2014                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/subsup/combine.in b/regress/eqn/subsup/combine.in
index 1fdedd4e..de27c40c 100644
--- a/regress/eqn/subsup/combine.in
+++ b/regress/eqn/subsup/combine.in
@@ -1,6 +1,7 @@
-.Dd October 10, 2014
+.\" $OpenBSD: combine.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt SUBSUP-COMBINE 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm subsup-combine
 .Nd combination of subscripts and superscripts
diff --git a/regress/eqn/subsup/combine.out_ascii b/regress/eqn/subsup/combine.out_ascii
index 1eaeb504..8812f6f6 100644
--- a/regress/eqn/subsup/combine.out_ascii
+++ b/regress/eqn/subsup/combine.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _x_1^2 + _e^_x_2 final text
 
-OpenBSD                        October 10, 2014                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/subsup/noarg.in b/regress/eqn/subsup/noarg.in
index adc32d8f..0790013d 100644
--- a/regress/eqn/subsup/noarg.in
+++ b/regress/eqn/subsup/noarg.in
@@ -1,6 +1,7 @@
-.Dd January 1, 2015
+.\" $OpenBSD: noarg.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt SUBSUP-NOARG 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm subsup-noarg
 .Nd empty subscripts and superscripts
diff --git a/regress/eqn/subsup/noarg.out_ascii b/regress/eqn/subsup/noarg.out_ascii
index a0e8cbd1..d5b87b24 100644
--- a/regress/eqn/subsup/noarg.out_ascii
+++ b/regress/eqn/subsup/noarg.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _x_1^^ final text
 
-OpenBSD                         January 1, 2015                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/subsup/sub_group.in b/regress/eqn/subsup/sub_group.in
index 67a2de2b..2f0bf3b8 100644
--- a/regress/eqn/subsup/sub_group.in
+++ b/regress/eqn/subsup/sub_group.in
@@ -1,6 +1,7 @@
-.Dd October 10, 2014
+.\" $OpenBSD: sub_group.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt SUBSUP-SUB_GROUP 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm subsup-sub_group
 .Nd grouping of subscripts
diff --git a/regress/eqn/subsup/sub_group.out_ascii b/regress/eqn/subsup/sub_group.out_ascii
index 0ffd31c9..85e3568a 100644
--- a/regress/eqn/subsup/sub_group.out_ascii
+++ b/regress/eqn/subsup/sub_group.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _x__i + _x__j_1 + (_M__i)__j final text
 
-OpenBSD                        October 10, 2014                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/unary/bold.in b/regress/eqn/unary/bold.in
index d1d1686d..4854106a 100644
--- a/regress/eqn/unary/bold.in
+++ b/regress/eqn/unary/bold.in
@@ -1,6 +1,7 @@
-.Dd June 26, 2017
+.\" $OpenBSD: bold.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt UNARY-BOLD 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm unary-bold
 .Nd font handling in bold boxes
diff --git a/regress/eqn/unary/bold.out_ascii b/regress/eqn/unary/bold.out_ascii
index 01ef870a..c20dc638 100644
--- a/regress/eqn/unary/bold.out_ascii
+++ b/regress/eqn/unary/bold.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text ((sin ssiinn)) final text
 
-OpenBSD                          June 26, 2017                         OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/unary/diacrit.in b/regress/eqn/unary/diacrit.in
index bb50774b..00e83cbb 100644
--- a/regress/eqn/unary/diacrit.in
+++ b/regress/eqn/unary/diacrit.in
@@ -1,6 +1,7 @@
-.Dd October 10, 2014
+.\" $OpenBSD: diacrit.in,v 1.2 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt UNARY-DIACRIT 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm unary-diacrit
 .Nd diacritical marks in equations
diff --git a/regress/eqn/unary/diacrit.out_ascii b/regress/eqn/unary/diacrit.out_ascii
index 1e35a8fc..f2c5b0bb 100644
--- a/regress/eqn/unary/diacrit.out_ascii
+++ b/regress/eqn/unary/diacrit.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _x. _x" _x^ _x~ _x-> _x<-> (_x + _y) (_x + _y)_ final text
 
-OpenBSD                        October 10, 2014                        OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD
diff --git a/regress/eqn/unary/sqrt.in b/regress/eqn/unary/sqrt.in
index 2bd4a9f5..41086285 100644
--- a/regress/eqn/unary/sqrt.in
+++ b/regress/eqn/unary/sqrt.in
@@ -1,6 +1,7 @@
-.Dd February 12, 2017
+.\" $OpenBSD: sqrt.in,v 1.4 2017/07/04 14:53:23 schwarze Exp $
+.Dd $Mdocdate$
 .Dt UNARY-SQRT 1
-.Os OpenBSD
+.Os
 .Sh NAME
 .Nm unary-sqrt
 .Nd square root
diff --git a/regress/eqn/unary/sqrt.out_ascii b/regress/eqn/unary/sqrt.out_ascii
index 7aa6778e..607a6013 100644
--- a/regress/eqn/unary/sqrt.out_ascii
+++ b/regress/eqn/unary/sqrt.out_ascii
@@ -6,4 +6,4 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      initial text _r = sqrt(_x^2 + _y^2) + sqrt(_a + _b) + sqrt() + sqrt final text
 
-OpenBSD                        February 12, 2017                       OpenBSD
+OpenBSD                          July 4, 2017                          OpenBSD