Make sure that super is called from write_prologue and write_epilogue.

Author: gkellogg

Gemfile

@@ -2,20 +2,20 @@ source "http://rubygems.org"
 
 gemspec
 
-gem 'rdf',  github: "ruby-rdf/rdf",  branch: "develop"
-gem 'ebnf', github: "gkellogg/ebnf", branch: "develop"
+gem 'rdf',  git: "https://github.com/ruby-rdf/rdf",  branch: "develop"
+gem 'ebnf', git: "https://github.com/gkellogg/ebnf", branch: "develop"
 
 group :development do
   gem "byebug", platforms: :mri
   gem 'psych',  platforms: [:mri, :rbx]
 end
 
 group :development, :test do
-  gem 'json-ld',        github: "ruby-rdf/json-ld",         branch: "develop"
-  gem 'rdf-spec',       github: "ruby-rdf/rdf-spec",        branch: "develop"
-  gem 'rdf-isomorphic', github: "ruby-rdf/rdf-isomorphic",  branch: "develop"
-  gem 'rdf-vocab',      github: "ruby-rdf/rdf-vocab",       branch: "develop"
-  gem 'sxp',            github: "dryruby/sxp.rb",           branch: "develop"
+  gem 'json-ld',        git: "https://github.com/ruby-rdf/json-ld",         branch: "develop"
+  gem 'rdf-spec',       git: "https://github.com/ruby-rdf/rdf-spec",        branch: "develop"
+  gem 'rdf-isomorphic', git: "https://github.com/ruby-rdf/rdf-isomorphic",  branch: "develop"
+  gem 'rdf-vocab',      git: "https://github.com/ruby-rdf/rdf-vocab",       branch: "develop"
+  gem 'sxp',            git: "https://github.com/dryruby/sxp.rb",           branch: "develop"
   gem "redcarpet",      platforms: :ruby
   gem 'simplecov',      require: false, platform: :mri
   gem 'coveralls',      require: false, platform: :mri

README.md

@@ -79,6 +79,7 @@ An example of reading Freebase dumps:
 
       r.each_statement {|stmt| puts stmt.to_ntriples}
     end
+
 ## Implementation Notes
 This version uses a hand-written parser using the Lexer from the [EBNF][] gem instead of a general [EBNF][] LL(1) parser for faster performance.
 

lib/rdf/turtle/streaming_writer.rb

@@ -18,7 +18,6 @@ def stream_prologue
       preprocess
       start_document
       @output.puts ""
-      self
     end
 
     ##

lib/rdf/turtle/writer.rb

@@ -163,6 +163,7 @@ def write_prologue
         stream_prologue
       else
       end
+      super
     end
 
     ##

spec/freebase_spec.rb

@@ -3,7 +3,7 @@
 require 'spec_helper'
 require 'rdf/spec/reader'
 
-describe "RDF::Turtle::FreebaseReader" do
+describe RDF::Turtle::FreebaseReader do
   let!(:prefixes) {
     %q(
       @prefix ns: <http://rdf.freebase.com/ns/>.