Use Heirloom troff

Mg is now tested with both GNU and Heirloom troff.

3 files changed, 7 insertions, 8 deletions

diff --git a/t/Makefile b/t/Makefile
index 122da6d..f278324 100644
--- a/t/Makefile
+++ b/t/Makefile
@@ -9,7 +9,7 @@ g.tmac: ../g.tmac
 
 .t.T: g.tmac t.tmac
 	@echo -- $< -----------------------
-	@groff -z $<
+	@troff -x3 $< >/dev/null
 
 .t.pdf: g.tmac t.tmac
-	groff -Tps $< | ps2pdf - > $@
+	troff -x3 $< | dpost | ps2pdf - > $@
diff --git a/t/ne.t b/t/ne.t
index bf464b3..f0434ae 100644
--- a/t/ne.t
+++ b/t/ne.t
@@ -15,8 +15,7 @@ macro.
 .\" make space at bottom of page
 .de @
 . rs
-. rt 0
-. sp \n(.pu-\n(mbu-\\$1-1u
+. sp |\n(.pu-\n(mbu-\\$1-1u
 . nr a \\n%
 ..
 .
diff --git a/t/t.tmac b/t/t.tmac
index 2a04f77..223babe 100644
--- a/t/t.tmac
+++ b/t/t.tmac
@@ -8,16 +8,16 @@
 .de assert
 .ec `
 .ie `$1 \{\
-. tm1 "	success
+. tm 	success
 .\}
 .ec
 .el \{\
-. if \\nF<\\nt .tm1 "	failure:
+. if \\nF<\\nt .tm 	failure:
 .ec `
 . ds *exp `$1
 .ec
-. tm1 "{	\\*[*exp]
-. if !'\\*[*exp]'\\$1' . tm1 "}	\\$1
+. tm {	\\*[*exp]
+. if !'\\*[*exp]'\\$1' . tm }	\\$1
 . nr f +1
 . nr F \\nt
 .\}