Faster

Update dnsbl_check plugin to latest version.
Update Maruku to latest version.
In the wiki_controller, only apply the dnsbl_check before_filter 
  to the :edit, :new, and :save actions, instead of all actions.
  This makes mundane "show" requests faster, but does not 
  compromise spam-fighting ability.

vendor/plugins/maruku/lib/maruku/ext/div.rb

@@ -1,7 +1,20 @@
 
 
-OpenDiv = /^[ ]{0,3}\+\-\-+\s*(.*)$/
-CloseDiv = /^[ ]{0,3}\=\-\-+\s*(.*)$/
+#+-----------------------------------{.warning}------
+#| this is the last warning!
+#|
+#| please, go away!
+#|
+#| +------------------------------------- {.menace} --
+#| | or else terrible things will happen
+#| +--------------------------------------------------
+#+---------------------------------------------------
+
+OpenDiv = /^[ ]{0,3}\+\-\-+\s*(\{([^{}]*|".*"|'.*')*\})?\s*\-*\s*$/
+CloseDiv = /^[ ]{0,3}\=\-\-+\s*(\{([^{}]*|".*"|'.*')*\})?\s*\-*\s*$/
+# note these are not enough for parsing the above example:
+#OpenDiv = /^[ ]{0,3}\+\-\-+\s*(.*)$/
+#CloseDiv = /^[ ]{0,3}\=\-\-+\s*(.*)$/
 StartPipe = /^[ ]{0,3}\|(.*)$/ # $1 is rest of line
 DecorativeClosing = OpenDiv
 

vendor/plugins/maruku/lib/maruku/input/parse_span_better.rb

@@ -442,7 +442,8 @@ module MaRuKu; module In; module Markdown; module SpanLevelParser
 	SPACE = ?\ # = 32
 	
 #	R_REF_ID = Regexp.compile(/([^\]\s]*)(\s*\])/)
-	R_REF_ID = Regexp.compile(/([^\]\s]*)(\s*\])/)
+#	R_REF_ID = Regexp.compile(/([^\]\s]*)(\s*\])/)
+	R_REF_ID = Regexp.compile(/([^\]]*)\]/)
 	
 	# Reads a bracketed id "[refid]". Consumes also both brackets.
 	def read_ref_id(src, con)