Don't use a table for constants -- too hard to read.

doc-src/content/stylesheets/main.sass

@@ -52,19 +52,31 @@ table.datagrid
 // Reference
 
 body.reference
-  h3.mixin
-    background-color: #eee
-    border: 1px solid #aaa
-    padding: 0.75em
-    margin-bottom: 0
-    a.permalink
-      +hover-link
-      +link-colors("inherit", "inherit")
+  h3
+    &.mixin, &.constant
+      font-family: Monaco, courier
+      font-weight: 200
+      +text-shadow
+      background-color: #eee
+      border: 1px solid #aaa
+      padding: 0.75em
+      margin-bottom: 0
+      a.permalink
+        +hover-link
+        +link-colors("inherit", "inherit")
   .source-documentation
     background-color: #eee
     border: 1px solid #aaa
     border-top-width: 0
     padding: 0.75em
+  dl.source-documentation
+    margin-top: 0
+    dt
+      font-weight: bold
+      float: left
+      margin-right: 15px
+    dt:not(:first-child)
+      margin-top: 1em
   a.view-source
     float: right
     margin: 1.25em

doc-src/layouts/partials/reference/const_table.haml

@@ -0,0 +1,10 @@
+- constants.each do |constant_def|
+  - const_id = constant_def.name.gsub(/_/,'-')
+  %h3.constant{:id=>"const-#{const_id}"}
+    %a.permalink{:href => "#const-#{const_id}"}= "!"+constant_def.name
+  %dl.constant-details.source-documentation
+    %dt Value
+    %dd= constant_def.expr.to_sass(:html)
+    - if constant_def.comment
+      %dt Description
+      %dd= format_doc constant_def.comment

doc-src/layouts/partials/reference/constants.haml

@@ -1,29 +1,12 @@
 - if (constant_defs = constants(@item)).any?
-  %h2 Constants
-  - show_description = constant_defs.detect{|d| d.comment } && true
-  - cycle 'even', 'odd' do |row_classes|
-    - cycle 'even', 'odd' do |col_classes|
-      %table.constants{:cellspacing => "0", :cellpadding=>"0", :border => "0"}
-        %thead
-          %tr{:class => row_classes.next}
-            %th{:class => col_classes.next} Constant
-            %th{:class => col_classes.next} Value
-            - if show_description
-              %th{:class => col_classes.next} Description
-            %th{:class => col_classes.next} Configurable?
-            - col_classes.reset!
-        - constant_defs.each do |constant_def|
-          %tr{:class => row_classes.next}
-            %td{:class => col_classes.next}
-              %code= "!"+constant_def.name
-            %td{:class => col_classes.next}
-              %code= constant_def.expr.to_sass(:html)
-            - if show_description
-              %td{:class => col_classes.next}
-                - if constant_def.comment
-                  = format_doc constant_def.comment
-                - else
-                   
-            %td{:class => col_classes.next}
-              %code= constant_def.guarded ? "Y" : "N"
-            - col_classes.reset!
+  - variables = constant_defs.select{|d| d.guarded }
+  - constants = constant_defs.reject{|d| d.guarded }
+  - if variables.any?
+    %h2
+      Configurable Variables
+      %a(href="/docs/tutorials/configurable-variables/" class="help") help
+    = render "partials/reference/const_table", :constants => variables
+
+  - if constants.any?
+    %h2 Constants
+    = render "partials/reference/const_table", :constants => constants