Implement the \*(.T predefined string (interpolate device name)

by allowing the preprocessor to pass it through to the formatters.
Used for example by the groff_char(7) manual page.

6 files changed, 91 insertions, 2 deletions

diff --git a/regress/usr.bin/mandoc/roff/string/Makefile b/regress/usr.bin/mandoc/roff/string/Makefile
index bbc787a27b8..32f192a9424 100644
--- a/regress/usr.bin/mandoc/roff/string/Makefile
+++ b/regress/usr.bin/mandoc/roff/string/Makefile
@@ -1,7 +1,10 @@
-# $OpenBSD: Makefile,v 1.8 2018/04/09 02:31:37 schwarze Exp $
+# $OpenBSD: Makefile,v 1.9 2018/08/16 13:49:40 schwarze Exp $
 
-REGRESS_TARGETS	 = escape infinite name std undef zerolength
+REGRESS_TARGETS	 = dotT escape infinite name std undef zerolength
 LINT_TARGETS	 = name std undef
+UTF8_TARGETS	 = dotT
+HTML_TARGETS	 = dotT
+SKIP_MARKDOWN	 = escape infinite name std undef zerolength
 
 # The infinite test fails badly with groff-1.20.1:
 # It fails to print the following text.
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.in b/regress/usr.bin/mandoc/roff/string/dotT.in
new file mode 100644
index 00000000000..06c544de29c
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/string/dotT.in
@@ -0,0 +1,20 @@
+.\" $OpenBSD: dotT.in,v 1.1 2018/08/16 13:49:40 schwarze Exp $
+.Dd $Mdocdate: August 16 2018 $
+.Dt STRING-DOTT 1
+.Os
+.Sh NAME
+.Nm string-dotT
+.Nd interpolating the device name
+.Sh DESCRIPTION
+initial text
+.Pp
+BEGINTEST
+.Pp
+We are using the \*(.T device.
+.Pp
+.ds .T name
+The device \*(.T can be overridden.
+.Pp
+ENDTEST
+.Pp
+final text
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_ascii b/regress/usr.bin/mandoc/roff/string/dotT.out_ascii
new file mode 100644
index 00000000000..e1737090f96
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_ascii
@@ -0,0 +1,19 @@
+STRING-DOTT(1)              General Commands Manual             STRING-DOTT(1)
+
+NNAAMMEE
+     ssttrriinngg--ddoottTT - interpolating the device name
+
+DDEESSCCRRIIPPTTIIOONN
+     initial text
+
+     BEGINTEST
+
+     We are using the ascii device.
+
+     The device name can be overridden.
+
+     ENDTEST
+
+     final text
+
+OpenBSD                         August 16, 2018                        OpenBSD
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_html b/regress/usr.bin/mandoc/roff/string/dotT.out_html
new file mode 100644
index 00000000000..67cb1eede64
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_html
@@ -0,0 +1,7 @@
+BEGINTEST
+<div class="Pp"></div>
+We are using the html device.
+<div class="Pp"></div>
+The device name can be overridden.
+<div class="Pp"></div>
+ENDTEST
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_markdown b/regress/usr.bin/mandoc/roff/string/dotT.out_markdown
new file mode 100644
index 00000000000..5a1f8d0983e
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_markdown
@@ -0,0 +1,21 @@
+STRING-DOTT(1) - General Commands Manual
+
+# NAME
+
+**string-dotT** - interpolating the device name
+
+# DESCRIPTION
+
+initial text
+
+BEGINTEST
+
+We are using the  markdown device.
+
+The device name can be overridden.
+
+ENDTEST
+
+final text
+
+OpenBSD - August 16, 2018
diff --git a/regress/usr.bin/mandoc/roff/string/dotT.out_utf8 b/regress/usr.bin/mandoc/roff/string/dotT.out_utf8
new file mode 100644
index 00000000000..827b3994b8c
--- /dev/null
+++ b/regress/usr.bin/mandoc/roff/string/dotT.out_utf8
@@ -0,0 +1,19 @@
+STRING-DOTT(1)              General Commands Manual             STRING-DOTT(1)
+
+NNAAMMEE
+     ssttrriinngg--ddoottTT – interpolating the device name
+
+DDEESSCCRRIIPPTTIIOONN
+     initial text
+
+     BEGINTEST
+
+     We are using the utf8 device.
+
+     The device name can be overridden.
+
+     ENDTEST
+
+     final text
+
+OpenBSD                         August 16, 2018                        OpenBSD