Do not crash on stray .Ta macros found outside column lists.

Problem reported by jmc@, thanks.

3 files changed, 39 insertions, 3 deletions

diff --git a/regress/usr.bin/mandoc/mdoc/Bl/Makefile b/regress/usr.bin/mandoc/mdoc/Bl/Makefile
index 089f8547b27..6e3472a8d2d 100644
--- a/regress/usr.bin/mandoc/mdoc/Bl/Makefile
+++ b/regress/usr.bin/mandoc/mdoc/Bl/Makefile
@@ -1,9 +1,9 @@
-# $OpenBSD: Makefile,v 1.14 2012/11/18 17:59:03 schwarze Exp $
+# $OpenBSD: Makefile,v 1.15 2012/11/19 22:28:35 schwarze Exp $
 
 REGRESS_TARGETS  = item inset diag ohang bullet dash enum hang tag
 REGRESS_TARGETS += column extend nested
 
-REGRESS_TARGETS += multitype multitag empty unclosed break broken
+REGRESS_TARGETS += multitype multitag empty bareTa unclosed break broken
 
 # groff-1.20.1 defects:
 # - empty lists ruin indentation and sometimes cause empty lines
@@ -12,6 +12,6 @@ REGRESS_TARGETS += multitype multitag empty unclosed break broken
 
 SKIP_GROFF ?= empty break broken
 
-SKIP_TMAN ?= column multitype multitag break broken
+SKIP_TMAN ?= column multitype multitag bareTa break broken
 
 .include <bsd.regress.mk>
diff --git a/regress/usr.bin/mandoc/mdoc/Bl/bareTa.in b/regress/usr.bin/mandoc/mdoc/Bl/bareTa.in
new file mode 100644
index 00000000000..20f003766a9
--- /dev/null
+++ b/regress/usr.bin/mandoc/mdoc/Bl/bareTa.in
@@ -0,0 +1,21 @@
+.Dd November 12, 2012
+.Dt TA-BARE 1
+.Os OpenBSD
+.Sh NAME
+.Nm Ta-bare
+.Nd bare tabular column macro
+.Sh DESCRIPTION
+initial text
+.Ta ignored arguments
+middle text
+.Bl -item -offset indent
+.It
+.Ta ignored arguments
+indented text
+.El
+middle text
+.Bl -dash
+.It Ta ignored arguments
+indented text
+.El
+final text
diff --git a/regress/usr.bin/mandoc/mdoc/Bl/bareTa.out_ascii b/regress/usr.bin/mandoc/mdoc/Bl/bareTa.out_ascii
new file mode 100644
index 00000000000..c5139d9cee5
--- /dev/null
+++ b/regress/usr.bin/mandoc/mdoc/Bl/bareTa.out_ascii
@@ -0,0 +1,15 @@
+TA-BARE(1)                 OpenBSD Reference Manual                 TA-BARE(1)
+
+NNAAMMEE
+     TTaa--bbaarree - bare tabular column macro
+
+DDEESSCCRRIIPPTTIIOONN
+     initial text middle text
+
+           indented text
+     middle text
+
+     --   indented text
+     final text
+
+OpenBSD                        November 12, 2012                       OpenBSD