clean up post_dt() validation function;

improved diagnostics, minus six lines of code

1 files changed, 3 insertions, 0 deletions

diff --git a/mandoc.1 b/mandoc.1
index 306827b0..0acd752e 100644
--- a/mandoc.1
+++ b/mandoc.1
@@ -1687,6 +1687,9 @@ or a request of the
 .Ic \&de
 family with more than two arguments
 .It
+.Ic \&Dt
+with more than three arguments
+.It
 .Ic \&TH
 with more than five arguments
 .It