Support .Bl -offset in -mdoc -Tman.

Issue found when Thomas Klausner <wiz at NetBSD dot org> made me
look at the manuals of his http://www.nih.at/libzip library.

4 files changed, 34 insertions, 4 deletions

diff --git a/regress/usr.bin/mandoc/mdoc/Bl/nested.in b/regress/usr.bin/mandoc/mdoc/Bl/nested.in
index c02a433230e..380e2e623b7 100644
--- a/regress/usr.bin/mandoc/mdoc/Bl/nested.in
+++ b/regress/usr.bin/mandoc/mdoc/Bl/nested.in
@@ -1,4 +1,4 @@
-.Dd December 31, 2012
+.Dd May 19, 2013
 .Dt BL-NESTED 1
 .Os OpenBSD
 .Sh NAME
@@ -71,4 +71,13 @@ inner text
 .El
 outer text
 .El
+.Bl -tag -width 4n -offset 3n
+.It outer tag (indented 3n)
+outer text
+.Bl -tag -width 4n -offset 6n
+.It inner tag (indented 6n)
+inner text
+.El
+outer text
+.El
 final text
diff --git a/regress/usr.bin/mandoc/mdoc/Bl/nested.out_ascii b/regress/usr.bin/mandoc/mdoc/Bl/nested.out_ascii
index c4185625125..e866f16f5f1 100644
--- a/regress/usr.bin/mandoc/mdoc/Bl/nested.out_ascii
+++ b/regress/usr.bin/mandoc/mdoc/Bl/nested.out_ascii
@@ -42,6 +42,13 @@ DDEESSCCRRIIPPTTIIOONN
            inner tag
                  inner text
            outer text
+
+        outer tag (indented 3n)
+              outer text
+
+                    inner tag (indented 6n)
+                          inner text
+              outer text
      final text
 
-OpenBSD                        December 31, 2012                       OpenBSD
+OpenBSD                          May 19, 2013                          OpenBSD
diff --git a/regress/usr.bin/mandoc/mdoc/Bl/tag.in b/regress/usr.bin/mandoc/mdoc/Bl/tag.in
index aa363567be0..bbf12de82d7 100644
--- a/regress/usr.bin/mandoc/mdoc/Bl/tag.in
+++ b/regress/usr.bin/mandoc/mdoc/Bl/tag.in
@@ -1,4 +1,4 @@
-.Dd December 31, 2012
+.Dd May 19, 2013
 .Dt BL-TAG 1
 .Os OpenBSD
 .Sh NAME
@@ -58,6 +58,14 @@ text
 text
 .El
 .Pp
+Indented list:
+.Bl -tag -offset 6n -width xxx
+.It one
+first text
+.It two
+second text
+.El
+.Pp
 Embedded paragraph:
 .Bl -tag -width Ds
 .It tag
diff --git a/regress/usr.bin/mandoc/mdoc/Bl/tag.out_ascii b/regress/usr.bin/mandoc/mdoc/Bl/tag.out_ascii
index 4de81918454..930c7281e8b 100644
--- a/regress/usr.bin/mandoc/mdoc/Bl/tag.out_ascii
+++ b/regress/usr.bin/mandoc/mdoc/Bl/tag.out_ascii
@@ -47,10 +47,16 @@ DDEESSCCRRIIPPTTIIOONN
 
      tag         text
 
+     Indented list:
+
+           one  first text
+
+           two  second text
+
      Embedded paragraph:
 
      tag     first paragraph
 
              second paragraph
 
-OpenBSD                        December 31, 2012                       OpenBSD
+OpenBSD                          May 19, 2013                          OpenBSD