diff --git a/Makefile b/Makefile
index 59d6e02..92c9a0c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,10 @@
 # https://github.com/ironcamel/Graph-Easy
+log.txt: log_inp.txt box.sh
+	graph-easy < $< | sh box.sh > $@
+
+log.html: log.txt
+	(cat $<; echo; echo '<!-- Markdeep: --><style class="fallback">body{visibility:hidden;white-space:pre;font-family:monospace}</style><script src="markdeep.min.js" charset="utf-8"></script><script src="https://casual-effects.com/markdeep/latest/markdeep.min.js" charset="utf-8"></script><script>window.alreadyProcessedMarkdeep||(document.body.style.visibility="visible")</script>') > $@
+
 diag.txt: diag_inp.txt box.sh
 	graph-easy < $< | sh box.sh > $@
 
diff --git a/log_inp.txt b/log_inp.txt
new file mode 100644
index 0000000..e31ff3d
--- /dev/null
+++ b/log_inp.txt
@@ -0,0 +1,5 @@
+( Control Host [ Host ] [ Device Jail ] )
+
+[ Device Jail ] -- { label: "VLAN" } [ Device ]
+[ Device Jail ] -- { label: "Serial" } [ Device ]
+[ Host ] -- [ Device Jail ]