More dead code condensing

lib/mess/renderer.js

@@ -292,11 +292,6 @@ mess.Renderer = function Renderer(env) {
                     '  <!ENTITY <%= ref %> SYSTEM "<%= externals[ref] %>">\n' +
                     '<% } %>]>\n'),
 
-                // referencing externals in the body of the map
-                references = _.template('<% for (ref in externals) { %>' +
-                    '&<%= ref %>;\n' +
-                    '<% } %>'),
-
                 // for the Map[] doctype: XML entities to
                 // organize code
                 entity_list = { externals: [], symbols: [] };
@@ -313,14 +308,17 @@ mess.Renderer = function Renderer(env) {
                 return rulesets[2].toMSS();
             }));
 
-            var output = [entities(entity_list)];
             // TODO: must change when background colors are available
-            output.push('<Map background-color="' 
-                    + "#ffffff"
-                    // findBackground(stylesheets)
-                    + '" srs="+proj=merc +a=6378137 +b=6378137 '
-                    + '+lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m '
-                    + '+nadgrids=@null +no_defs">\n');
+            var output = [
+                '<?xml version="1.0" '
+                + 'encoding="utf-8"?>\n'
+                + '<!DOCTYPE Map[]>\n'
+                + '<Map background-color="' 
+                + "#ffffff"
+                // findBackground(stylesheets)
+                + '" srs="+proj=merc +a=6378137 +b=6378137 '
+                + '+lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m '
+                + '+nadgrids=@null +no_defs">\n'];
 
             m.Layer.forEach(function(l) {
                 l.styles = [];
@@ -334,16 +332,17 @@ mess.Renderer = function Renderer(env) {
                 // in order from high specificity to low.
                 var by_symbolizer = that.split_symbolizers(matching);
 
-                var complete_chains = {};
                 for (sym in by_symbolizer) {
+                    // Create styles out of chains of one-symbolizer rules,
+                    // and assign those styles to layers
                     var new_style = new(mess.tree.Style)(
                         l.id,
                         sym,
                         that.process_chain(by_symbolizer[sym]));
-                    var n = new_style.name();
-                    l.styles.push(n);
+                    l.styles.push(new_style.name());
                     output.push(new_style.toXML());
                 }
+
                 var nl = new(mess.tree.Layer)(l);
                 output.push(nl.toXML());
             });