app/helpers/dot_helper.rb

@@ -38,6 +38,12 @@ module DotHelper

                       @dot << string
              

                     end
              

                 
              

                +    ENDL = ';'.freeze
              

                +
              

                +    def endl
              

                +      @dot << ENDL
              

                +    end
              

                +
              

                     def escape(string)
              

                       # Backslash escaping seems to work for the backslash itself,
              

                       # though it's not documented in the DOT language docs.
              
@@ -82,7 +88,7 @@ module DotHelper

                     def node(id, attrs = nil)
              

                       id id
              

                       attr_list attrs
              

                -      raw ';'
              

                +      endl
              

                     end
              

                 
              

                     def edge(from, to, attrs = nil, op = '->')
              
@@ -90,13 +96,13 @@ module DotHelper

                       raw op
              

                       id to
              

                       attr_list attrs
              

                -      raw ';'
              

                +      endl
              

                     end
              

                 
              

                     def statement(ids, attrs = nil)
              

                       ids Array(ids)
              

                       attr_list attrs
              

                -      raw ';'
              

                +      endl
              

                     end
              

                 
              

                     def block(*ids, &block)