diff --git a/scss/demo.expected.raydebug b/scss/demo.expected.raydebug
new file mode 100644
index 0000000..d120565
--- /dev/null
+++ b/scss/demo.expected.raydebug
@@ -0,0 +1,163 @@
+comment<delimiter(//)content( inline comment)>
+
+comment<delimiter(/*)content( block comment */)>
+
+comment<delimiter(/*)content(! keep comment */)>
+
+variable($brand) operator(:) color(#b3b3b5)operator(;)
+variable($brand--alt)operator(:) value(null)operator(;)
+
+variable($isSomething)operator(:) value(false) important(!default)operator(;)
+
+variable($array) operator(:) string<delimiter(")content(-webkit-)delimiter(")>operator(,) string<delimiter(")content(-moz-)delimiter(")>operator(,) string<delimiter(")delimiter(")>operator(;)
+
+directive(@import) string<delimiter(")content(path/to/import)delimiter(")>include(;)
+
+class(%clearfix)operator(,)
+class(.clearfix) operator({)
+	local_variable(&)pseudo_class(:after) operator({) key(content)operator(:) string<delimiter(")delimiter(")>operator(;) key(display)operator(:) value(table)operator(;) key(clear)operator(:) value(both)operator(;) operator(})
+operator(})
+
+function(@mixin box-shadow)operator(()variable($args)operator(\)) operator({)
+	directive(@each) variable($prefix) value(in) variable($array) operator({)
+		inline<inline_delimiter(#{)variable($array)inline_delimiter(})>key(box-shadow)operator(:) variable($args)operator(;)
+	operator(})
+operator(})
+
+directive(@function) predefined(em)operator(()variable($size)operator(,) variable($context)operator(:) float(14px)operator(\)) operator({)
+
+	directive(@warn) string<delimiter(")content(size wasnt a unit, forcing pixels)delimiter(")>operator(;)
+
+	directive(@return) operator(()variable($size) operator(/) variable($context)operator(\)) operator(*) float(1em)operator(;)
+operator(})
+
+
+function(@mixin switch)operator(()variable($condition)operator(,) variable($selector)operator(:) string<delimiter(")content(.lt-ie8)delimiter(")>operator(\))operator({)
+	directive(@if) variable($condition) operator({)
+		directive(@content)operator(;)
+	operator(}) directive(@else) operator({)
+		inline<inline_delimiter(#{)variable($selector)inline_delimiter(})> local_variable(&) operator({)
+			directive(@content)
+		operator(})
+	operator(})
+
+	directive(@debug) string<delimiter(")content(selector was )inline<inline_delimiter(#{)variable($selector)inline_delimiter(})>delimiter(")>operator(;)
+operator(})
+
+class(.selector) operator({)
+	key(color)operator(:) variable($brand)operator(;)
+	key(background)operator(:) variable($brand--alt) value(or) color(#000)operator(;)
+
+	key(width)operator(:) float(20%)operator(;)
+
+	operator(~) tag(li) operator({) key(margin-left)operator(:) float(5px)operator(;) operator(})
+
+	tag(code) operator({)
+		key(text-align)operator(:) value(right)operator(;)
+		key(font-family)operator(:) string<delimiter(")content(monaco)delimiter(")>
+	operator(})
+
+
+	directive(@media) operator(()key(min-width)operator(:) float(32em)operator(\)) operator({)
+		key(float)operator(:) value(left)operator(;)
+	operator(})
+operator(})
+
+directive(@media) operator(()key(min-width)operator(:) float(32em)operator(\)) operator({)
+	class(.grid) operator({) key(float)operator(:) value(left)operator(;) operator(})
+operator(})
+
+tag(footer) operator({)
+	key(position)operator(:) value(relative)operator(;)
+
+	class(.copy) operator({)
+		key(background)operator(:) function<delimiter(url()content("images/#{$sprite}")delimiter(\))>operator(;)
+	operator(})
+
+operator(})
+
+
+tag(a) operator({)
+	comment(// silent extend)
+	directive(@extend) class(%button) important(!optional)operator(;)
+
+	directive(@include) predefined(box-shadow)operator(()float(0) float(1px) float(0) float(1px) color(#fff)operator(,) value(inset) float(1px) float(1px) float(5px) predefined(rgba)operator(()color(#000)operator(,) float(0.4)operator(\))operator(\))operator(;)
+
+	comment(// nesting of properties)
+	key(font)operator(:) operator({)
+		key(size)operator(:) predefined(em)operator(()float(28)operator(,)float(18)operator(\))operator(;)
+		key(family)operator(:) variable($font__serif)operator(;)
+		key(weight)operator(:) value(normal)operator(;)
+	operator(})
+	
+	local_variable(&)pseudo_class(:hover)operator(,)
+	local_variable(&)pseudo_class(:focus) operator({)
+
+		comment(// extend via psuedo)
+		directive(@extend) class(.button)pseudo_class(:hover)operator(;)
+
+		key(background)operator(:) predefined(linear-gradient)operator(()value(to) value(bottom)operator(,) variable($brand)operator(,) predefined(darken)operator(()variable($brand)operator(,) float(20%)operator(\))operator(\))operator(;)
+
+	operator(})
+operator(})
+
+
+id(#main) operator({)operator(})
+
+tag(div)id(#main) operator({)operator(})
+
+tag(header) operator({)
+	local_variable(&)id(#main) operator({)operator(})
+operator(})
+
+
+
+class(.nav) operator({)
+	key(position)operator(:) value(absolute)operator(;)
+	key(top)operator(:) float(0)operator(;) key(left)operator(:) float(0)operator(;)
+
+	tag(ul) operator({) key(margin)operator(:) float(0)operator(;) key(padding)operator(:) float(0)operator(;) operator(})
+
+	tag(li) operator({)
+		key(float)operator(:) value(left)operator(;)
+		
+		operator(+) tag(li) operator({) key(margin-left)operator(:) float(5px)operator(;) operator(})
+	operator(})
+
+	tag(a) operator({)
+		key(display)operator(:) value(block)operator(;)
+
+		local_variable(&)pseudo_class(:hover)operator(,)
+		local_variable(&)pseudo_class(:focus) operator({)
+			key(background)operator(:) variable($primary)operator(;)
+		operator(})
+
+		local_variable(&)class(.link--root) operator({) key(background)operator(:) color(#222)operator(;) operator(})
+	operator(})
+	
+	class(.js) local_variable(&) operator({) key(position)operator(:) value(static)operator(;) operator(})
+
+	id(#hd) local_variable(&) operator({) key(float)operator(:) value(left)operator(;) operator(})
+
+operator(})
+
+id(#main) tag(ul)class(.links) tag(a) operator({) key(display)operator(:) value(inline-block)operator(;) operator(})
+
+
+
+comment<delimiter(//)content( loops)>
+directive(@for) variable($i) value(from) float(1) value(through) float(3) operator({)
+  class(.item-#{$i}) operator({) key(width)operator(:) float(2em) operator(*) variable($i)operator(;) operator(})
+operator(})
+
+directive(@each) variable($animal) value(in) value(puma)operator(,) value(sea-slug)operator(,) value(egret)operator(,) value(salamander) operator({)
+  class(.#{$animal}-icon) operator({)
+    key(background-image)operator(:) function<delimiter(url()content('/images/#{$animal}.png')delimiter(\))>operator(;)
+  operator(})
+operator(})
+
+variable($i)operator(:) float(6)operator(;)
+directive(@while) variable($i) operator(>) float(0) operator({)
+  class(.item-#{$i}) operator({) key(width)operator(:) float(2em) operator(*) variable($i)operator(;) operator(})
+  variable($i)operator(:) variable($i) operator(-) float(2)operator(;)
+operator(})
\ No newline at end of file
diff --git a/scss/demo.in.scss b/scss/demo.in.scss
new file mode 100644
index 0000000..1e90e3f
--- /dev/null
+++ b/scss/demo.in.scss
@@ -0,0 +1,163 @@
+// inline comment
+
+/* block comment */
+
+/*! keep comment */
+
+$brand : #b3b3b5;
+$brand--alt: null;
+
+$isSomething: false !default;
+
+$array : "-webkit-", "-moz-", "";
+
+@import "path/to/import";
+
+%clearfix,
+.clearfix {
+	&:after { content: ""; display: table; clear: both; }
+}
+
+@mixin box-shadow($args) {
+	@each $prefix in $array {
+		#{$array}box-shadow: $args;
+	}
+}
+
+@function em($size, $context: 14px) {
+
+	@warn "size wasnt a unit, forcing pixels";
+
+	@return ($size / $context) * 1em;
+}
+
+
+@mixin switch($condition, $selector: ".lt-ie8"){
+	@if $condition {
+		@content;
+	} @else {
+		#{$selector} & {
+			@content
+		}
+	}
+
+	@debug "selector was #{$selector}";
+}
+
+.selector {
+	color: $brand;
+	background: $brand--alt or #000;
+
+	width: 20%;
+
+	~ li { margin-left: 5px; }
+
+	code {
+		text-align: right;
+		font-family: "monaco"
+	}
+
+
+	@media (min-width: 32em) {
+		float: left;
+	}
+}
+
+@media (min-width: 32em) {
+	.grid { float: left; }
+}
+
+footer {
+	position: relative;
+
+	.copy {
+		background: url("images/#{$sprite}");
+	}
+
+}
+
+
+a {
+	// silent extend
+	@extend %button !optional;
+
+	@include box-shadow(0 1px 0 1px #fff, inset 1px 1px 5px rgba(#000, 0.4));
+
+	// nesting of properties
+	font: {
+		size: em(28,18);
+		family: $font__serif;
+		weight: normal;
+	}
+	
+	&:hover,
+	&:focus {
+
+		// extend via psuedo
+		@extend .button:hover;
+
+		background: linear-gradient(to bottom, $brand, darken($brand, 20%));
+
+	}
+}
+
+
+#main {}
+
+div#main {}
+
+header {
+	&#main {}
+}
+
+
+
+.nav {
+	position: absolute;
+	top: 0; left: 0;
+
+	ul { margin: 0; padding: 0; }
+
+	li {
+		float: left;
+		
+		+ li { margin-left: 5px; }
+	}
+
+	a {
+		display: block;
+
+		&:hover,
+		&:focus {
+			background: $primary;
+		}
+
+		&.link--root { background: #222; }
+	}
+	
+	.js & { position: static; }
+
+	#hd & { float: left; }
+
+}
+
+#main ul.links a { display: inline-block; }
+
+
+
+// loops
+@for $i from 1 through 3 {
+  .item-#{$i} { width: 2em * $i; }
+}
+
+@each $animal in puma, sea-slug, egret, salamander {
+  .#{$animal}-icon {
+    background-image: url('/images/#{$animal}.png');
+  }
+}
+
+$i: 6;
+@while $i > 0 {
+  .item-#{$i} { width: 2em * $i; }
+  $i: $i - 2;
+}
\ No newline at end of file
diff --git a/scss/suite.rb b/scss/suite.rb
new file mode 100644
index 0000000..791485e
--- /dev/null
+++ b/scss/suite.rb
@@ -0,0 +1,2 @@
+class SCSS < CodeRay::TestCase
+end