update mdl settings

.mdlrc

@@ -1,18 +1,7 @@
 # MDL configuration file
+# vim:set ft=ruby:
 
-all
+ignore_front_matter true
+style File.expand_path('.mdlstyle.rb')
 
-# Disabled rules
-rules '~MD030', '~MD033', '~MD013', '~MD003', '~MD029'
-
-rule 'MD004', :style => :dash
-
-rule 'MD007', :indent => 4
-
-rule 'MD035', :style => "---"
-
-ignore-front-matter true
-
-# Inline HTML - this isn't forbidden by the style guide, and raw HTML use is
-# explicitly mentioned in the 'email automatic links' section.
-exclude_rule 'MD033'
+# EOF

.mdlstyle.rb

@@ -0,0 +1,20 @@
+# MDL style
+# vim:set ft=ruby:
+
+all
+
+rule 'ul-style', style: :consistent  # MD004
+rule 'ul-indent', indent: 4          # MD007
+rule 'ol-prefix', style: 'ordered'   # MD029
+rule 'hr-style', style: '---'        # MD035
+
+exclude_rule 'first-header-h1'       # MD002
+exclude_rule 'line-length'           # MD013
+exclude_rule 'header-style'          # MD029
+exclude_rule 'list-marker-space'     # MD030
+exclude_rule 'no-inline-html'        # MD033
+exclude_rule 'no-emphasis-as-header' # MD036
+exclude_rule 'fenced-code-language'  # MD040
+exclude_rule 'first-line-h1'         # MD041
+
+# EOF