lib/stepmod/utils/converters/sub.rb in stepmod-utils-0.2.4 vs lib/stepmod/utils/converters/sub.rb in stepmod-utils-0.2.5

@@ -4,10 +4,18 @@
   module Utils
     module Converters
       class Sub < ReverseAdoc::Converters::Base
         def convert(node, state = {})
           content = treat_children(node, state)
+          return stem_notation(content) if node.parent.name == 'eqn'
+
           "#{content[/^\s*/]}~#{content.strip}~#{content[/\s*$/]}"
+        end
+
+        private
+
+        def stem_notation(content)
+          "_{#{content}}"
         end
       end
 
       ReverseAdoc::Converters.register :sub, Sub.new
     end
\ No newline at end of file