Treat \*[.T] in the same way as \*(.T rather than calling abort(3).

Bug found because the groff-current manual pages started using the
variant form of this predefined string.

7 files changed, 21 insertions, 14 deletions

diff --git a/regress/usr.bin/mandoc/roff/nr/predef.in b/regress/usr.bin/mandoc/roff/nr/predef.in
index 480a052ec8a..72d78f09af4 100644
--- a/regress/usr.bin/mandoc/roff/nr/predef.in
+++ b/regress/usr.bin/mandoc/roff/nr/predef.in
@@ -1,4 +1,4 @@
-.\" $OpenBSD: predef.in,v 1.3 2017/07/04 14:53:27 schwarze Exp $
+.\" $OpenBSD: predef.in,v 1.4 2020/10/24 22:52:34 schwarze Exp $
 .TH NR-PREDEF 1 "August 29, 2015"
 .SH NAME
 nr-predef \- pre-defined read-only integer number registers
@@ -18,7 +18,7 @@ ascii mode: \n(.A
 groff mode: \n(.g
 horizontal resolution: \n(.H
 adjustment mode: \n(.j
-output device defined: \n(.T
+output device defined: \n(.T \n[.T]
 vertical resolution: \n(.V
 .mym
 .mym one
diff --git a/regress/usr.bin/mandoc/roff/nr/predef.out_ascii b/regress/usr.bin/mandoc/roff/nr/predef.out_ascii
index 6973d296186..8634ce339e7 100644
--- a/regress/usr.bin/mandoc/roff/nr/predef.out_ascii
+++ b/regress/usr.bin/mandoc/roff/nr/predef.out_ascii
@@ -10,7 +10,7 @@ DDEESSCCRRIIPPTTIIOONN
        groff mode: 1
        horizontal resolution: 24
        adjustment mode: 0
-       output device defined: 1
+       output device defined: 1 1
        vertical resolution: 40
        user defined macro with 0 arguments:
        user defined macro with 1 arguments: one
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.in b/regress/usr.bin/mandoc/roff/string/dotT.in
index 62b4a959303..feef0ab9ae8 100644
--- a/regress/usr.bin/mandoc/roff/string/dotT.in
+++ b/regress/usr.bin/mandoc/roff/string/dotT.in
@@ -1,5 +1,5 @@
-.\" $OpenBSD: dotT.in,v 1.2 2019/01/07 06:51:37 schwarze Exp $
-.Dd $Mdocdate: January 7 2019 $
+.\" $OpenBSD: dotT.in,v 1.3 2020/10/24 22:52:34 schwarze Exp $
+.Dd $Mdocdate: October 24 2020 $
 .Dt STRING-DOTT 1
 .Os
 .Sh NAME
@@ -9,9 +9,11 @@
 BEGINTEST
 .Pp
 We are using the \*(.T device.
+It can also be written as the \*[.T] device.
 .Pp
 .ds .T name
 The device \*(.T can be overridden.
+Both escape forms work for the \*[.T].
 .nf
 ENDTEST
 .br
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_ascii b/regress/usr.bin/mandoc/roff/string/dotT.out_ascii
index 26f53380058..283043045b8 100644
--- a/regress/usr.bin/mandoc/roff/string/dotT.out_ascii
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_ascii
@@ -6,10 +6,11 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      BEGINTEST
 
-     We are using the ascii device.
+     We are using the ascii device.  It can also be written as the ascii
+     device.
 
-     The device name can be overridden.
+     The device name can be overridden.  Both escape forms work for the name.
      ENDTEST
      end of file
 
-OpenBSD                         January 7, 2019                        OpenBSD
+OpenBSD                        October 24, 2020                        OpenBSD
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_html b/regress/usr.bin/mandoc/roff/string/dotT.out_html
index 51ab1411619..a44d9cef980 100644
--- a/regress/usr.bin/mandoc/roff/string/dotT.out_html
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_html
@@ -1,2 +1,4 @@
-<p class="Pp">We are using the html device.</p>
-<p class="Pp">The device name can be overridden.</p>
+<p class="Pp">We are using the html device. It can also be written as the html
+    device.</p>
+<p class="Pp">The device name can be overridden. Both escape forms work for the
+    name.</p>
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_markdown b/regress/usr.bin/mandoc/roff/string/dotT.out_markdown
index d7400eaaaaa..9ec52b1ac2b 100644
--- a/regress/usr.bin/mandoc/roff/string/dotT.out_markdown
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_markdown
@@ -9,9 +9,11 @@ STRING-DOTT(1) - General Commands Manual
 BEGINTEST
 
 We are using the  markdown device.
+It can also be written as the  markdown device.
 
 The device name can be overridden.
+Both escape forms work for the name.
 ENDTEST  
 end of file
 
-OpenBSD - January 7, 2019
+OpenBSD - October 24, 2020
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_utf8 b/regress/usr.bin/mandoc/roff/string/dotT.out_utf8
index 63bbf5fdf95..2c89f41668e 100644
--- a/regress/usr.bin/mandoc/roff/string/dotT.out_utf8
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_utf8
@@ -6,10 +6,10 @@ NNAAMMEE
 DDEESSCCRRIIPPTTIIOONN
      BEGINTEST
 
-     We are using the utf8 device.
+     We are using the utf8 device.  It can also be written as the utf8 device.
 
-     The device name can be overridden.
+     The device name can be overridden.  Both escape forms work for the name.
      ENDTEST
      end of file
 
-OpenBSD                         January 7, 2019                        OpenBSD
+OpenBSD                        October 24, 2020                        OpenBSD