Add new regression tests

diff --git a/rtest/doit b/rtest/doit
index a5fa75a6039eb10239639ab22e822aae3b08a36d..1194375a52cb4d02b5073a30de5f8109241ee5a5 100755 (executable)
--- a/rtest/doit
+++ b/rtest/doit
@@ -599,6 +599,8 @@ tst dot ps "-lgraphs/dfd.ps" ps
 tst dot dot "-Grankdir=LR" a 1
 tst dot dot "-Grankdir=RL" a 2
 tst dot dot "-Grankdir=BT" a 3
+tst dot ps "" multi
+tst dot dot "" b786
 fi
 
 if [[ -n "$NEATOTESTS" ]]