support for poem tags

content_blog/culture/after-singularity.mkd

@@ -5,6 +5,7 @@ techne: :done
 episteme: :fiction
 ---
 
+<% poem do %>
 After the Singularity  
 I will wear new bodies,  
 fitting shells for my mind,  
@@ -102,3 +103,4 @@ chasing the perfect phrase.
 After the Singularity  
 I will no longer  
 need justifications.  
+<% end %>

lib/meta.rb

@@ -6,16 +6,25 @@ def meta &block
   end
 end
 
+# wrap in div tags
 def div_wrap tag, text
   "<div class='#{tag}' markdown='1'>#{text}</div>"
 end
 
+# don't parse this when counting words
 def skip &block
   annotate block do |c|
     c unless @item_rep.name == :wordcount
   end
 end
 
+# replace end-of-line with "  " used by markdown
+def poem &block
+  annotate block do |c|
+    c.split("\n").join("  \n")
+  end
+end
+
 def annotate content, &filter
   # get erbout so far
   erbout = eval('_erbout', content.binding)