diff -r ee55be414a34 -r fa4af530697f http/src/luan/modules/http/Http.luan
--- a/http/src/luan/modules/http/Http.luan	Mon May 18 00:25:35 2015 -0600
+++ b/http/src/luan/modules/http/Http.luan	Mon May 18 14:24:50 2015 -0600
@@ -10,6 +10,9 @@
 local IoLuan = require "java:luan.modules.IoLuan"
 
 
+to_header_name = HttpServicer.toHeaderName
+
+
 local singular_metatable = {}
 
 function singular_metatable.__index(table,key)
@@ -50,23 +53,30 @@
 	set_metatable(this.parameter,singular_metatable)
 	this.cookie = {}
 
-	function this.url()
+	function this.query_string()
 		local string_uri = Io.uri "string:"
 		local out = string_uri.text_writer()
-
-		out.write( this.scheme, "://", this.header.host, this.path )
-		if this.method ~= "POST" then
-			local and_char = "?"
-			for name, values in pairs(this.parameters) do
-				for _, value in ipairs(values) do
-					out.write( and_char, url_encode(name), "=", url_encode(value) )
-					and_char = "&"
-				end
+		local and_char = ""
+		for name, values in pairs(this.parameters) do
+			for _, value in ipairs(values) do
+				out.write( and_char, url_encode(name), "=", url_encode(value) )
+				and_char = "&"
 			end
 		end
+		out.close()
+		local s = string_uri.read_text()
+		return s == "" and nil or s
+	end
 
-		out.close()
-		return string_uri.read_text()
+	function this.url()
+		local url = this.scheme.."://"..this.header.host..this.path
+		if this.method ~= "POST" then
+			local query = this.query_string()
+			if query ~= nil then
+				url = url.."?"..query
+			end
+		end
+		return url
 	end
 
 	return this
@@ -100,6 +110,7 @@
 end
 
 -- request = new_request{}  -- filled in by HttpServicer
+-- response = new_response{}  -- filled in by HttpServicer
 
 
 

diff -r ee55be414a34 -r fa4af530697f http/src/luan/modules/http/HttpServicer.java
--- a/http/src/luan/modules/http/HttpServicer.java	Mon May 18 00:25:35 2015 -0600
+++ b/http/src/luan/modules/http/HttpServicer.java	Mon May 18 14:24:50 2015 -0600
@@ -87,11 +87,11 @@
 		LuanTable headersTbl = (LuanTable)requestTbl.rawGet("headers");
 		for( Enumeration<String> enKeys = request.getHeaderNames(); enKeys.hasMoreElements(); ) {
 			String key = enKeys.nextElement();
-			key = key.toLowerCase().replace('-','_');
 			LuanTable values = new LuanTable();
 			for( Enumeration<String> en = request.getHeaders(key); en.hasMoreElements(); ) {
 				values.rawPut(values.rawLength()+1,en.nextElement());
 			}
+			key = key.toLowerCase().replace('-','_');
 			headersTbl.rawPut(key,values);
 		}
 
@@ -180,7 +180,7 @@
 		LuanTable responseHeaders = (LuanTable)responseTbl.rawGet("headers");
 		for( Map.Entry<Object,Object> entry : responseHeaders.rawIterable() ) {
 			String name = (String)entry.getKey();
-			name = name.replace('_','-');
+			name = toHeaderName(name);
 			LuanTable values = (LuanTable)entry.getValue();
 			for( Object value : values.asList() ) {
 				if( value instanceof String ) {
@@ -204,6 +204,23 @@
 
 	// static utils
 
+	public static String toHeaderName(String luanName) {
+		StringBuilder buf = new StringBuilder();
+		boolean capitalize = true;
+		char[] a = luanName.toCharArray();
+		for( int i=0; i<a.length; i++ ) {
+			char c = a[i];
+			if( c == '_' ) {
+				a[i] = '-';
+				capitalize = true;
+			} else if( capitalize ) {
+				a[i] = Character.toUpperCase(c);
+				capitalize = false;
+			}
+		}
+		return String.valueOf(a);
+	}
+
 	private static String escape(String value) {
 		return value.replaceAll(";", "%3B");
 	}

diff -r ee55be414a34 -r fa4af530697f http/src/luan/modules/http/dump.luan
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/http/src/luan/modules/http/dump.luan	Mon May 18 14:24:50 2015 -0600
@@ -0,0 +1,37 @@
+local Luan = require "luan:Luan"
+local pairs = Luan.pairs
+local ipairs = Luan.ipairs
+local Io = require "luan:Io"
+local Http = require "luan:http/Http"
+
+
+function respond()
+	Http.response.header.content_type = "text/plain"
+	Io.stdout = Http.response.text_writer()
+
+	local method = Http.request.method
+	local path = Http.request.path
+	local query = Http.request.query_string()
+	if method ~= "POST" and query ~= nil then
+		path = path.."?"..query
+	end
+%>
+<%=method%> <%=path%> <%=Http.request.protocol%> 
+<%
+	for name, values in pairs(Http.request.headers) do
+		local header_name = Http.to_header_name(name)
+		for _, value in ipairs(values) do
+%>
+<%=header_name%>: <%=value%>
+<%
+		end
+	end
+%>
+
+<%
+	if method == "POST" and query ~= nil then
+%>
+<%=query%>
+<%
+	end
+end