diff --git a/yaml.jsf b/yaml.jsf
index 6b3898e..fb03502 100644
--- a/yaml.jsf
+++ b/yaml.jsf
@@ -2,12 +2,38 @@
 
 =Idle
 =Comment green
+=BlockDelim bold
 =Bad bold red
 
 :idle Idle
 	*		idle
 	"#"		line_comment	recolor=-1
+	"\t"	tab_indent
+	"-"		maybe_block1
+	"\n"	line_start
 
 :line_comment Comment
 	*		line_comment
-	"\n"		idle
+	"\n"		idle	noeat
+
+:line_start Idle
+	*		idle	noeat #dont eat might be the next \n
+	"#"		line_comment	recolor=-1
+	"\t"	tab_indent
+	"-"		maybe_block1
+
+# mark whole line as Bad
+:tab_indent Bad
+	*		tab_indent
+	"\n"	idle	noeat
+
+:maybe_block1 Idle
+	*		idle	noeat #dont eat might be the next \n
+	"-"		maybe_block2
+
+:maybe_block2 Idle
+	*		idle	noeat #dont eat might be the next \n
+	"-"		block	recolor=-3
+
+:block BlockDelim
+	*		idle	noeat #dont eat might be the next \n