Support manual tagging of .Pp, .Bd, .D1, .Dl, .Bl, and .It.

In HTML output, improve the logic for writing inside permalinks:
skip them when there is no child content or when there is a risk
that the children might contain flow content.

41 files changed, 220 insertions, 41 deletions

diff --git a/regress/mdoc/Bd/Makefile b/regress/mdoc/Bd/Makefile
index f05f54b0..a7319e70 100644
--- a/regress/mdoc/Bd/Makefile
+++ b/regress/mdoc/Bd/Makefile
@@ -1,9 +1,10 @@
-# $OpenBSD: Makefile,v 1.22 2019/01/07 06:51:37 schwarze Exp $
+# $OpenBSD: Makefile,v 1.23 2020/04/06 09:55:49 schwarze Exp $
 
 REGRESS_TARGETS	 = beforeNAME blank centered nested nf paragraph spacing
 REGRESS_TARGETS	+= badargs empty offset-empty offset-neg
 REGRESS_TARGETS	+= break broken unclosed
 
+TAG_TARGETS	 = nested paragraph
 LINT_TARGETS	 = beforeNAME blank nested badargs break broken unclosed
 HTML_TARGETS	 = nf paragraph
 
diff --git a/regress/mdoc/Bd/nested.in b/regress/mdoc/Bd/nested.in
index 4d12b2a3..450c1fb4 100644
--- a/regress/mdoc/Bd/nested.in
+++ b/regress/mdoc/Bd/nested.in
@@ -1,5 +1,5 @@
-.\" $OpenBSD: nested.in,v 1.2 2017/07/04 14:53:24 schwarze Exp $
-.Dd $Mdocdate: July 4 2017 $
+.\" $OpenBSD: nested.in,v 1.3 2020/04/06 09:55:49 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
 .Dt BD-NESTED 1
 .Os
 .Sh NAME
@@ -8,9 +8,11 @@
 .Sh DESCRIPTION
 regular
 text
+.Tg outer
 .Bd -ragged -offset indent
 outer
 text (default indent)
+.Tg inner
 .Bd -ragged -offset indent
 inner
 text (default indent)
@@ -20,8 +22,10 @@ text
 .Ed
 regular
 text
+.Tg outer
 .Bd -ragged -offset 4n
 outer text (4n)
+.Tg inner
 .Bd -ragged -offset 2n
 inner text (2n)
 .Ed
diff --git a/regress/mdoc/Bd/nested.out_ascii b/regress/mdoc/Bd/nested.out_ascii
index 58ee55dd..1d27c178 100644
--- a/regress/mdoc/Bd/nested.out_ascii
+++ b/regress/mdoc/Bd/nested.out_ascii
@@ -26,4 +26,4 @@ DDEESSCCRRIIPPTTIIOONN
                inner text (2n)
              outer text
 
-OpenBSD                          July 4, 2017                          OpenBSD
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/Bd/nested.out_lint b/regress/mdoc/Bd/nested.out_lint
index d6f7eda2..5a6a6966 100644
--- a/regress/mdoc/Bd/nested.out_lint
+++ b/regress/mdoc/Bd/nested.out_lint
@@ -1,2 +1,2 @@
-mandoc: nested.in:14:2: WARNING: nested displays are not portable: Bd in Bd
-mandoc: nested.in:25:2: WARNING: nested displays are not portable: Bd in Bd
+mandoc: nested.in:16:2: WARNING: nested displays are not portable: Bd in Bd
+mandoc: nested.in:29:2: WARNING: nested displays are not portable: Bd in Bd
diff --git a/regress/mdoc/Bd/nested.out_markdown b/regress/mdoc/Bd/nested.out_markdown
index d936b9c0..e647a0df 100644
--- a/regress/mdoc/Bd/nested.out_markdown
+++ b/regress/mdoc/Bd/nested.out_markdown
@@ -43,4 +43,4 @@ tag
 
 > outer text
 
-OpenBSD - July 4, 2017
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/Bd/nested.out_tag b/regress/mdoc/Bd/nested.out_tag
new file mode 100644
index 00000000..7b9c2012
--- /dev/null
+++ b/regress/mdoc/Bd/nested.out_tag
@@ -0,0 +1,6 @@
+NAME 3
+DESCRIPTION 6
+outer 9
+inner 11
+outer 15
+inner 17
diff --git a/regress/mdoc/Bd/paragraph.in b/regress/mdoc/Bd/paragraph.in
index e1ebfd01..8e53d0e7 100644
--- a/regress/mdoc/Bd/paragraph.in
+++ b/regress/mdoc/Bd/paragraph.in
@@ -1,5 +1,5 @@
-.\" $OpenBSD: paragraph.in,v 1.1 2019/01/07 06:51:37 schwarze Exp $
-.Dd $Mdocdate: January 7 2019 $
+.\" $OpenBSD: paragraph.in,v 1.2 2020/04/06 09:55:49 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
 .Dt BD-PARAGRAPH 1
 .Os
 .Sh NAME
@@ -9,12 +9,15 @@
 BEGINTEST
 initial
 text
+.Tg npara
 .Pp
 normal
 paragraph
+.Tg filled
 .Bd -filled
 filled
 display
+.Tg fpara
 .Pp
 paragraph
 in display
@@ -24,9 +27,11 @@ to normal
 .Pp
 another
 paragraph
+.Tg unfilled
 .Bd -unfilled
 unfilled
 display
+.Tg upara
 .Pp
 unfilled
 paragraph
diff --git a/regress/mdoc/Bd/paragraph.out_ascii b/regress/mdoc/Bd/paragraph.out_ascii
index 216f4530..bf122ce0 100644
--- a/regress/mdoc/Bd/paragraph.out_ascii
+++ b/regress/mdoc/Bd/paragraph.out_ascii
@@ -24,4 +24,4 @@ DDEESSCCRRIIPPTTIIOONN
      ENDTEST
      end of file
 
-OpenBSD                         January 7, 2019                        OpenBSD
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/Bd/paragraph.out_html b/regress/mdoc/Bd/paragraph.out_html
index bec13a88..f537335e 100644
--- a/regress/mdoc/Bd/paragraph.out_html
+++ b/regress/mdoc/Bd/paragraph.out_html
@@ -1,14 +1,14 @@
-<p class="Pp">normal paragraph</p>
-<div class="Bd Pp">filled display
-<p class="Pp">paragraph in display</p>
+<p class="Pp" id="npara">normal paragraph</p>
+<div class="Bd Pp" id="filled">filled display
+<p class="Pp" id="fpara">paragraph in display</p>
 </div>
 back to normal
 <p class="Pp">another paragraph</p>
-<div class="Bd Pp">
+<div class="Bd Pp" id="unfilled">
 <pre>
 unfilled
 display
-
+<mark id="upara"></mark>
 unfilled
 paragraph
 </pre>
diff --git a/regress/mdoc/Bd/paragraph.out_markdown b/regress/mdoc/Bd/paragraph.out_markdown
index 13e43f11..6e569b5d 100644
--- a/regress/mdoc/Bd/paragraph.out_markdown
+++ b/regress/mdoc/Bd/paragraph.out_markdown
@@ -36,4 +36,4 @@ to normal
 ENDTEST  
 end of file
 
-OpenBSD - January 7, 2019
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/Bd/paragraph.out_tag b/regress/mdoc/Bd/paragraph.out_tag
new file mode 100644
index 00000000..eab6391f
--- /dev/null
+++ b/regress/mdoc/Bd/paragraph.out_tag
@@ -0,0 +1,7 @@
+NAME 3
+DESCRIPTION 6
+npara 9
+filled 11
+fpara 13
+unfilled 18
+upara 21
diff --git a/regress/mdoc/D1/Makefile b/regress/mdoc/D1/Makefile
index b94d5727..170dc2ca 100644
--- a/regress/mdoc/D1/Makefile
+++ b/regress/mdoc/D1/Makefile
@@ -1,6 +1,7 @@
-# $OpenBSD: Makefile,v 1.5 2019/01/07 06:51:37 schwarze Exp $
+# $OpenBSD: Makefile,v 1.6 2020/04/06 09:55:49 schwarze Exp $
 
 REGRESS_TARGETS	 = spacing
+TAG_TARGETS	 = spacing
 LINT_TARGETS	 = spacing
 HTML_TARGETS	 = spacing
 
diff --git a/regress/mdoc/D1/spacing.in b/regress/mdoc/D1/spacing.in
index c0f293c4..20258caf 100644
--- a/regress/mdoc/D1/spacing.in
+++ b/regress/mdoc/D1/spacing.in
@@ -1,5 +1,5 @@
-.\" $OpenBSD: spacing.in,v 1.4 2019/01/07 06:51:37 schwarze Exp $
-.Dd $Mdocdate: January 7 2019 $
+.\" $OpenBSD: spacing.in,v 1.5 2020/04/06 09:55:49 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
 .Dt D1-SPACING 1
 .Os
 .Sh NAME
@@ -10,6 +10,7 @@ BEGINTEST
 .Pp
 preceding
 paragraph
+.Tg display
 .D1 spacing  in  and around one-line displays
 empty display:
 .D1
diff --git a/regress/mdoc/D1/spacing.out_ascii b/regress/mdoc/D1/spacing.out_ascii
index c0d1556d..c6241a38 100644
--- a/regress/mdoc/D1/spacing.out_ascii
+++ b/regress/mdoc/D1/spacing.out_ascii
@@ -13,4 +13,4 @@ DDEESSCCRRIIPPTTIIOONN
      ENDTEST
      end of file
 
-OpenBSD                         January 7, 2019                        OpenBSD
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/D1/spacing.out_html b/regress/mdoc/D1/spacing.out_html
index 3db40161..3a9affc9 100644
--- a/regress/mdoc/D1/spacing.out_html
+++ b/regress/mdoc/D1/spacing.out_html
@@ -1,5 +1,7 @@
 <p class="Pp">preceding paragraph</p>
-<div class="Bd Bd-indent">spacing in and around one-line displays</div>
+<div class="Bd
+  Bd-indent" id="display"><a class="permalink" href="#display">spacing in and
+  around one-line displays</a></div>
 empty display:
 <div class="Bd Bd-indent"></div>
 following text
diff --git a/regress/mdoc/D1/spacing.out_lint b/regress/mdoc/D1/spacing.out_lint
index 0a2790bb..532375d7 100644
--- a/regress/mdoc/D1/spacing.out_lint
+++ b/regress/mdoc/D1/spacing.out_lint
@@ -1 +1 @@
-mandoc: spacing.in:15:2: WARNING: empty block: D1
+mandoc: spacing.in:16:2: WARNING: empty block: D1
diff --git a/regress/mdoc/D1/spacing.out_markdown b/regress/mdoc/D1/spacing.out_markdown
index d1f12f63..225b3a0b 100644
--- a/regress/mdoc/D1/spacing.out_markdown
+++ b/regress/mdoc/D1/spacing.out_markdown
@@ -19,4 +19,4 @@ following text
 ENDTEST  
 end of file
 
-OpenBSD - January 7, 2019
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/D1/spacing.out_tag b/regress/mdoc/D1/spacing.out_tag
new file mode 100644
index 00000000..73ab507a
--- /dev/null
+++ b/regress/mdoc/D1/spacing.out_tag
@@ -0,0 +1,3 @@
+NAME 3
+DESCRIPTION 6
+display 10
diff --git a/regress/mdoc/Dl/Makefile b/regress/mdoc/Dl/Makefile
index bed27d1b..51605be0 100644
--- a/regress/mdoc/Dl/Makefile
+++ b/regress/mdoc/Dl/Makefile
@@ -1,6 +1,7 @@
-# $OpenBSD: Makefile,v 1.2 2015/02/06 02:04:35 schwarze Exp $
+# $OpenBSD: Makefile,v 1.5 2020/04/06 09:55:49 schwarze Exp $
 
 REGRESS_TARGETS	 = spacing
+TAG_TARGETS	 = spacing
 LINT_TARGETS	 = spacing
 
 .include <bsd.regress.mk>
diff --git a/regress/mdoc/Dl/spacing.in b/regress/mdoc/Dl/spacing.in
index 0f485b83..96d77ac7 100644
--- a/regress/mdoc/Dl/spacing.in
+++ b/regress/mdoc/Dl/spacing.in
@@ -1,5 +1,5 @@
-.\" $OpenBSD: spacing.in,v 1.4 2017/07/04 14:53:25 schwarze Exp $
-.Dd $Mdocdate: July 4 2017 $
+.\" $OpenBSD: spacing.in,v 1.5 2020/04/06 09:55:49 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
 .Dt DL-SPACING 1
 .Os
 .Sh NAME
@@ -7,6 +7,7 @@
 .Nd spacing in and around one-line literal displays
 .Sh DESCRIPTION
 preceding text
+.Tg display
 .Dl spacing  in  and around one-line literal displays
 empty display:
 .Dl
diff --git a/regress/mdoc/Dl/spacing.out_ascii b/regress/mdoc/Dl/spacing.out_ascii
index c0928ec0..c96eca32 100644
--- a/regress/mdoc/Dl/spacing.out_ascii
+++ b/regress/mdoc/Dl/spacing.out_ascii
@@ -9,4 +9,4 @@ DDEESSCCRRIIPPTTIIOONN
      empty display:
      following text
 
-OpenBSD                          July 4, 2017                          OpenBSD
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/Dl/spacing.out_lint b/regress/mdoc/Dl/spacing.out_lint
index a18ed583..a31f329f 100644
--- a/regress/mdoc/Dl/spacing.out_lint
+++ b/regress/mdoc/Dl/spacing.out_lint
@@ -1 +1 @@
-mandoc: spacing.in:12:2: WARNING: empty block: Dl
+mandoc: spacing.in:13:2: WARNING: empty block: Dl
diff --git a/regress/mdoc/Dl/spacing.out_markdown b/regress/mdoc/Dl/spacing.out_markdown
index 08d15972..27dab22c 100644
--- a/regress/mdoc/Dl/spacing.out_markdown
+++ b/regress/mdoc/Dl/spacing.out_markdown
@@ -14,4 +14,4 @@ empty display:
 
 following text
 
-OpenBSD - July 4, 2017
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/Dl/spacing.out_tag b/regress/mdoc/Dl/spacing.out_tag
new file mode 100644
index 00000000..b036279d
--- /dev/null
+++ b/regress/mdoc/Dl/spacing.out_tag
@@ -0,0 +1,3 @@
+NAME 3
+DESCRIPTION 6
+display 8
diff --git a/regress/mdoc/Pp/Makefile b/regress/mdoc/Pp/Makefile
index 04e1bc3b..03d32774 100644
--- a/regress/mdoc/Pp/Makefile
+++ b/regress/mdoc/Pp/Makefile
@@ -1,6 +1,7 @@
-# $OpenBSD: Makefile,v 1.4 2015/02/04 19:11:17 schwarze Exp $
+# $OpenBSD: Makefile,v 1.7 2020/04/06 09:55:50 schwarze Exp $
 
 REGRESS_TARGETS	 = arg
+TAG_TARGETS	 = arg
 LINT_TARGETS	 = arg
 
 .include <bsd.regress.mk>
diff --git a/regress/mdoc/Pp/arg.in b/regress/mdoc/Pp/arg.in
index 274e558d..1e62c80c 100644
--- a/regress/mdoc/Pp/arg.in
+++ b/regress/mdoc/Pp/arg.in
@@ -1,5 +1,5 @@
-.\" $OpenBSD: arg.in,v 1.4 2017/07/04 14:53:26 schwarze Exp $
-.Dd $Mdocdate: July 4 2017 $
+.\" $OpenBSD: arg.in,v 1.5 2020/04/06 09:55:50 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
 .Dt PP-ARG 1
 .Os
 .Sh NAME
@@ -7,9 +7,13 @@
 .Nd paragraph macro with arguments
 .Sh DESCRIPTION
 line 1
+.Tg first
 .Pp drop this
 line 2
 .br drop this
 line 3
 .sp 1v drop this
 line 4
+.Tg last
+.Pp
+final text
diff --git a/regress/mdoc/Pp/arg.out_ascii b/regress/mdoc/Pp/arg.out_ascii
index a15f1598..70eebb4d 100644
--- a/regress/mdoc/Pp/arg.out_ascii
+++ b/regress/mdoc/Pp/arg.out_ascii
@@ -11,4 +11,6 @@ DDEESSCCRRIIPPTTIIOONN
 
      line 4
 
-OpenBSD                          July 4, 2017                          OpenBSD
+     final text
+
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/Pp/arg.out_lint b/regress/mdoc/Pp/arg.out_lint
index f49d27d4..40d77064 100644
--- a/regress/mdoc/Pp/arg.out_lint
+++ b/regress/mdoc/Pp/arg.out_lint
@@ -1,3 +1,3 @@
-mandoc: arg.in:12:5: ERROR: skipping all arguments: br drop this
-mandoc: arg.in:14:8: ERROR: skipping excess arguments: sp ... drop this
-mandoc: arg.in:10:2: ERROR: skipping all arguments: Pp drop
+mandoc: arg.in:13:5: ERROR: skipping all arguments: br drop this
+mandoc: arg.in:15:8: ERROR: skipping excess arguments: sp ... drop this
+mandoc: arg.in:11:2: ERROR: skipping all arguments: Pp drop
diff --git a/regress/mdoc/Pp/arg.out_markdown b/regress/mdoc/Pp/arg.out_markdown
index 17c7753a..0b06ac9e 100644
--- a/regress/mdoc/Pp/arg.out_markdown
+++ b/regress/mdoc/Pp/arg.out_markdown
@@ -13,4 +13,6 @@ line 3
 
 line 4
 
-OpenBSD - July 4, 2017
+final text
+
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/Pp/arg.out_tag b/regress/mdoc/Pp/arg.out_tag
new file mode 100644
index 00000000..443b1be2
--- /dev/null
+++ b/regress/mdoc/Pp/arg.out_tag
@@ -0,0 +1,4 @@
+NAME 3
+DESCRIPTION 6
+first 9
+last 14
diff --git a/regress/mdoc/Tg/Makefile b/regress/mdoc/Tg/Makefile
index 7f538766..d67ec5af 100644
--- a/regress/mdoc/Tg/Makefile
+++ b/regress/mdoc/Tg/Makefile
@@ -1,8 +1,10 @@
-# $OpenBSD: Makefile,v 1.1 2020/03/13 00:31:06 schwarze Exp $
+# $OpenBSD: Makefile,v 1.2 2020/04/06 09:55:50 schwarze Exp $
 
-REGRESS_TARGETS = warn
-TAG_TARGETS	= warn
+REGRESS_TARGETS = column list warn
+TAG_TARGETS	= column list warn
 LINT_TARGETS	= warn
-HTML_TARGETS	= warn
+HTML_TARGETS	= column list warn
+
+SKIP_TMAN	= column
 
 .include <bsd.regress.mk>
diff --git a/regress/mdoc/Tg/column.in b/regress/mdoc/Tg/column.in
new file mode 100644
index 00000000..50b0d1f0
--- /dev/null
+++ b/regress/mdoc/Tg/column.in
@@ -0,0 +1,17 @@
+.\" $OpenBSD: column.in,v 1.1 2020/04/06 09:55:50 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
+.Dt TG-COLUMN 1
+.Os
+.Sh NAME
+.Nm Tg-column
+.Nd explicit tagging of column lists and rows
+.Sh DESCRIPTION
+BEGINTEST
+.Tg list
+.Bl -column one two
+.Tg row1
+.It one Ta two
+.Tg row2
+.It 1	2
+.El
+ENDTEST
diff --git a/regress/mdoc/Tg/column.out_ascii b/regress/mdoc/Tg/column.out_ascii
new file mode 100644
index 00000000..3051005b
--- /dev/null
+++ b/regress/mdoc/Tg/column.out_ascii
@@ -0,0 +1,13 @@
+TG-COLUMN(1)                General Commands Manual               TG-COLUMN(1)
+
+NNAAMMEE
+     TTgg--ccoolluummnn - explicit tagging of column lists and rows
+
+DDEESSCCRRIIPPTTIIOONN
+     BEGINTEST
+
+     one    two
+     1      2
+     ENDTEST
+
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/Tg/column.out_html b/regress/mdoc/Tg/column.out_html
new file mode 100644
index 00000000..8374fb9c
--- /dev/null
+++ b/regress/mdoc/Tg/column.out_html
@@ -0,0 +1,10 @@
+<table class="Bl-column" id="list">
+  <tr id="row1">
+    <td>one</td>
+    <td>two</td>
+  </tr>
+  <tr id="row2">
+    <td>1</td>
+    <td>2</td>
+  </tr>
+</table>
diff --git a/regress/mdoc/Tg/column.out_markdown b/regress/mdoc/Tg/column.out_markdown
new file mode 100644
index 00000000..a6820fd0
--- /dev/null
+++ b/regress/mdoc/Tg/column.out_markdown
@@ -0,0 +1,16 @@
+TG-COLUMN(1) - General Commands Manual
+
+# NAME
+
+**Tg-column** - explicit tagging of column lists and rows
+
+# DESCRIPTION
+
+BEGINTEST
+
+	one    two  
+	1      2
+
+ENDTEST
+
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/Tg/column.out_tag b/regress/mdoc/Tg/column.out_tag
new file mode 100644
index 00000000..f34a94b9
--- /dev/null
+++ b/regress/mdoc/Tg/column.out_tag
@@ -0,0 +1,5 @@
+NAME 3
+DESCRIPTION 6
+list 8
+row1 9
+row2 10
diff --git a/regress/mdoc/Tg/list.in b/regress/mdoc/Tg/list.in
new file mode 100644
index 00000000..d89cb865
--- /dev/null
+++ b/regress/mdoc/Tg/list.in
@@ -0,0 +1,22 @@
+.\" $OpenBSD: list.in,v 1.1 2020/04/06 09:55:50 schwarze Exp $
+.Dd $Mdocdate: April 6 2020 $
+.Dt TG-LIST 1
+.Os
+.Sh NAME
+.Nm Tg-list
+.Nd explicit tagging of lists and list elements
+.Sh DESCRIPTION
+BEGINTEST
+.Tg dashlist
+.Bl -dash
+.Tg dashitem
+.It
+item
+.El
+.Tg taglist
+.Bl -tag -width Ds
+.Tg tagitem
+.It tag
+text
+.El
+ENDTEST
diff --git a/regress/mdoc/Tg/list.out_ascii b/regress/mdoc/Tg/list.out_ascii
new file mode 100644
index 00000000..adc476e0
--- /dev/null
+++ b/regress/mdoc/Tg/list.out_ascii
@@ -0,0 +1,14 @@
+TG-LIST(1)                  General Commands Manual                 TG-LIST(1)
+
+NNAAMMEE
+     TTgg--lliisstt - explicit tagging of lists and list elements
+
+DDEESSCCRRIIPPTTIIOONN
+     BEGINTEST
+
+     --   item
+
+     tag     text
+     ENDTEST
+
+OpenBSD                          April 6, 2020                         OpenBSD
diff --git a/regress/mdoc/Tg/list.out_html b/regress/mdoc/Tg/list.out_html
new file mode 100644
index 00000000..001c994b
--- /dev/null
+++ b/regress/mdoc/Tg/list.out_html
@@ -0,0 +1,7 @@
+<ul class="Bl-dash" id="dashlist">
+  <li id="dashitem"><a class="permalink" href="#dashitem">item</a></li>
+</ul>
+<dl class="Bl-tag" id="taglist">
+  <dt id="tagitem"><a class="permalink" href="#tagitem">tag</a></dt>
+  <dd>text</dd>
+</dl>
diff --git a/regress/mdoc/Tg/list.out_markdown b/regress/mdoc/Tg/list.out_markdown
new file mode 100644
index 00000000..836e5cab
--- /dev/null
+++ b/regress/mdoc/Tg/list.out_markdown
@@ -0,0 +1,19 @@
+TG-LIST(1) - General Commands Manual
+
+# NAME
+
+**Tg-list** - explicit tagging of lists and list elements
+
+# DESCRIPTION
+
+BEGINTEST
+
+-	item
+
+tag
+
+> text
+
+ENDTEST
+
+OpenBSD - April 6, 2020
diff --git a/regress/mdoc/Tg/list.out_tag b/regress/mdoc/Tg/list.out_tag
new file mode 100644
index 00000000..48eb6d44
--- /dev/null
+++ b/regress/mdoc/Tg/list.out_tag
@@ -0,0 +1,6 @@
+NAME 3
+DESCRIPTION 6
+dashlist 8
+dashitem 9
+taglist 10
+tagitem 11