Release 2.3.5

Duplicate slashes must be removed everywhere.

README.md

@@ -363,7 +363,17 @@ appropriately.
 
 ## MATHEMATICAL EQUATIONS
 
-Start gollum with the `--mathjax` flag. Read more about [MathJax](http://docs.mathjax.org/en/latest/index.html) on the web. Gollum uses the `TeX-AMS-MML_HTMLorMML` config with the autoload-all extension.
+Start gollum with the `--mathjax` flag. Read more about [MathJax](http://docs.mathjax.org/en/latest/index.html) on the web. Gollum uses the `TeX-AMS-MML_HTMLorMML` config with the `autoload-all` extension.
+
+Inline math:
+
+- $2^2$
+- `\\(2^2\\)`
+
+Display math:
+
+- $$2^2$$
+- [2^2]
 
 ## SEQUENCE DIAGRAMS
 
@@ -371,10 +381,10 @@ You may imbed sequence diagrams into your wiki page (rendered by
 [WebSequenceDiagrams](http://www.websequencediagrams.com) by using the
 following syntax:
 
-    {{{ blue-modern
+    {{{{{{ blue-modern
       alice->bob: Test
       bob->alice: Test response
-    }}}
+    }}}}}}
 
 You can replace the string "blue-modern" with any supported style.
 

Rakefile

@@ -113,8 +113,8 @@ task :release => :build do
     puts "You must be on the master branch to release!"
     exit!
   end
-  sh "git pull"
   sh "git commit --allow-empty -a -m 'Release #{version}'"
+  sh "git pull"
   sh "git tag v#{version}"
   sh "git push origin master"
   sh "git push origin v#{version}"

bin/gollum

@@ -68,6 +68,14 @@ opts = OptionParser.new do |opts|
   opts.on("--mathjax", "Enables mathjax.") do
     wiki_options[:mathjax] = true
   end
+
+  opts.on("--show-all", "Shows all files in file view. By default only valid pages are shown.") do
+    wiki_options[:show_all] = true
+  end
+
+  opts.on("--collapse-tree", "Collapse file view tree. By default, expanded tree is shown.") do
+    wiki_options[:collapse_tree] = true
+  end
 end
 
 # Read command line options into `options` hash

gollum.gemspec

@@ -5,8 +5,8 @@ Gem::Specification.new do |s|
   s.required_ruby_version = ">= 1.8.7"
 
   s.name              = 'gollum'
-  s.version           = '2.3.1'
-  s.date              = '2012-10-21'
+  s.version           = '2.3.5'
+  s.date              = '2012-10-31'
   s.rubyforge_project = 'gollum'
 
   s.summary     = "A simple, Git-powered wiki."
@@ -41,6 +41,9 @@ Gem::Specification.new do |s|
   s.add_development_dependency('rack-test', '~> 0.6.2')
   s.add_development_dependency('wikicloth', '~> 0.8.0')
   s.add_development_dependency('rake', '~> 0.9')
+  s.add_development_dependency('pry', '~> 0.9.10')
+  # required by pry
+  s.add_development_dependency('rb-readline', '~> 0.4.2')
 
   # = MANIFEST =
   s.files = %w[
@@ -92,6 +95,7 @@ Gem::Specification.new do |s|
     lib/gollum/frontend/public/gollum/javascript/mousetrap.min.js
     lib/gollum/frontend/public/gollum/livepreview/css/custom.css
     lib/gollum/frontend/public/gollum/livepreview/images/cancel_24.png
+    lib/gollum/frontend/public/gollum/livepreview/images/globe_24.png
     lib/gollum/frontend/public/gollum/livepreview/images/lr_24.png
     lib/gollum/frontend/public/gollum/livepreview/images/save_24.png
     lib/gollum/frontend/public/gollum/livepreview/images/savecomment_24.png

lib/gollum.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 # stdlib
 require 'digest/md5'
 require 'ostruct'
@@ -22,7 +23,7 @@ require File.expand_path('../gollum/web_sequence_diagram', __FILE__)
 require File.expand_path('../gollum/frontend/uri_encode_component', __FILE__)
 
 module Gollum
-  VERSION = '2.3.1'
+  VERSION = '2.3.5'
 
   def self.assets_path
     ::File.expand_path('gollum/frontend/public', ::File.dirname(__FILE__))

lib/gollum/blob_entry.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   class BlobEntry
     # Gets the String SHA for this blob.

lib/gollum/committer.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   # Responsible for handling the commit process for a Wiki.  It sets up the
   # Git index, provides methods for modifying the tree, and stores callbacks

lib/gollum/file.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   class File
     Wiki.file_class = self
@@ -13,6 +14,22 @@ module Gollum
       @path = nil
     end
 
+    # Public: The url path required to reach this page within the repo.
+    #
+    # Returns the String url_path
+    def url_path
+      path = self.path
+      path = path.sub(/\/[^\/]+$/, '/') if path.include?('/')
+      path
+    end
+
+    # Public: The url_path, but CGI escaped.
+    #
+    # Returns the String url_path
+    def escaped_url_path
+      CGI.escape(self.url_path).gsub('%2F','/')
+    end
+
     # Public: The on-disk filename of the file.
     #
     # Returns the String name.

lib/gollum/file_view.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
 =begin
   FileView requires that:
@@ -5,8 +6,13 @@ module Gollum
     - Then all the folders are sorted and processed
 =end
   class FileView
-    def initialize pages
+    # common use cases:
+    # set pages to wiki.pages and show_all to false
+    # set pages to wiki.pages + wiki.files and show_all to true
+    def initialize pages, options = {}
       @pages = pages
+      @show_all = options[:show_all] || false
+      @checked = options[:collapse_tree] ? '' : "checked"
     end
 
     def enclose_tree string
@@ -26,7 +32,7 @@ module Gollum
     def new_sub_folder path
       <<-HTML
       <li>
-        <label>#{path}</label> <input type="checkbox" checked />
+        <label>#{path}</label> <input type="checkbox" #{@checked} />
         <ol>
       HTML
     end
@@ -39,7 +45,16 @@ module Gollum
     end
 
     def url_for_page page
-      url = ::File.join(::File.dirname(page.path), page.filename_stripped)
+      url = ''
+      if @show_all
+        # Remove ext for valid pages.
+        filename = page.filename
+        filename = Page::valid_page_name?(filename) ? filename.chomp(::File.extname(filename)) : filename
+
+        url = ::File.join(::File.dirname(page.path), filename)
+      else
+        url = ::File.join(::File.dirname(page.path), page.filename_stripped)
+      end
       url = url[2..-1] if url[0,2] == './'
       url
     end
@@ -74,7 +89,7 @@ module Gollum
         url  = url_for_page page
         html += <<-HTML
         <li>
-          <label>#{::File.dirname(page.path)}</label> <input type="checkbox" checked />
+          <label>#{::File.dirname(page.path)}</label> <input type="checkbox" #{@checked} />
           <ol>
             <li class="file"><a href="#{url}">#{name}</a></li>
          </ol>

lib/gollum/frontend/app.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 require 'cgi'
 require 'sinatra'
 require 'gollum'
@@ -82,11 +83,12 @@ module Precious
 
     before do
       @base_url = url('/', false).chomp('/')
-      settings.wiki_options.merge!({ :base_path => @base_url }) unless settings.wiki_options.has_key? :base_path
+      # above will detect base_path when it's used with map in a config.ru
+      settings.wiki_options.merge!({ :base_path => @base_url })
     end
 
     get '/' do
-      redirect File.join(settings.wiki_options[:page_file_dir].to_s,settings.wiki_options[:base_path].to_s, 'Home')
+      redirect ::File.join(@base_url, 'Home')
     end
 
     # path is set to name if path is nil.
@@ -187,24 +189,20 @@ module Precious
 
     post '/create' do
       name         = params[:page].to_url
-      path         = sanitize_empty_params(params[:path])
-      path = '' if path.nil?
+      path         = sanitize_empty_params(params[:path]) || ''
       format       = params[:format].intern
 
-      page_dir = File.join(settings.wiki_options[:page_file_dir].to_s,
-                           settings.wiki_options[:base_path].to_s)
-      # Home is a special case.
-      path = '' if name.downcase == 'home'
-
-      page_dir = File.join(page_dir, path)
+      # ensure pages are created in page_file_dir
+      page_dir = settings.wiki_options[:page_file_dir].to_s
+      path = clean_url(::File.join(page_dir, path)) unless path.start_with?(page_dir)
 
       # write_page is not directory aware so use wiki_options to emulate dir support.
-      wiki_options = settings.wiki_options.merge({ :page_file_dir => page_dir })
+      wiki_options = settings.wiki_options.merge({ :page_file_dir => path })
       wiki         = Gollum::Wiki.new(settings.gollum_path, wiki_options)
 
       begin
         wiki.write_page(name, format, params[:content], commit_message)
-        redirect to("/#{clean_url(CGI.escape(::File.join(page_dir,name)))}")
+        redirect to("/#{clean_url(::File.join(path,name))}")
       rescue Gollum::DuplicatePageError => e
         @message = "Duplicate page: #{e.message}"
         mustache :error
@@ -323,13 +321,21 @@ module Precious
       wiki_options = settings.wiki_options.merge({ :page_file_dir => @path })
       wiki         = Gollum::Wiki.new(settings.gollum_path, wiki_options)
       @results     = wiki.pages
+      @results     += wiki.files if settings.wiki_options[:show_all]
       @ref         = wiki.ref
       mustache :pages
     end
 
     get '/fileview' do
-      wiki = Gollum::Wiki.new(settings.gollum_path, settings.wiki_options)
-      @results = Gollum::FileView.new(wiki.pages).render_files
+      wiki = wiki_new
+      options = settings.wiki_options
+      content = wiki.pages
+      # if showing all files include wiki.files
+      content += wiki.files if options[:show_all]
+
+      # must pass wiki_options to FileView
+      # --show-all and --collapse-tree can be set.
+      @results = Gollum::FileView.new(content, options).render_files
       @ref = wiki.ref
       mustache :file_view, { :layout => false }
     end
@@ -340,10 +346,11 @@ module Precious
 
     def show_page_or_file(fullpath)
       name         = extract_name(fullpath)
-      path         = extract_path(fullpath)
+      path         = extract_path(fullpath) || '/'
       wiki         = wiki_new
 
-      path = '/' if path.nil?
+      page_dir = settings.wiki_options[:page_file_dir].to_s
+      path = ::File.join(page_dir, path) unless path.start_with?(page_dir)
 
       if page = wiki.paged(name, path, exact = true)
         @page = page

lib/gollum/frontend/helpers.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Precious
   module Helpers
     # Extract the path string that Gollum::Wiki expects
@@ -19,9 +20,10 @@ module Precious
     end
 
     # Remove all slashes from the start of string.
+    # Remove all double slashes
     def clean_url url
       return url if url.nil?
-      url.gsub('%2F','/').gsub(/^\/+/,'')
+      url.gsub('%2F','/').gsub(/^\/+/,'').gsub('//','/')
     end
 
     def trim_leading_slash url

lib/gollum/frontend/public/gollum/livepreview/index.html

@@ -11,6 +11,7 @@
 <div id='previewframe'><div id='contentframe' class='markdown-body'></div></div>
 <!-- tool panel from notepage.es. save & savecomment icons from Retina Display Icon Set. -->  
 <div id='toolpanel' class='toolpanel edit' style='width: 500px; right: 0px; visibility: hidden;'>
+  <a id='preview' class='edit'><img src='images/globe_24.png' alt='Preview' title='Preview'></a>
   <a id='save' class='edit'><img src='images/save_24.png' alt='Save' title='Save'></a>
   <a id='savecomment' class='edit'><img src='images/savecomment_24.png' alt='Save with comment' title='Save with comment'></a>
   <a id='toggle' class='edit' href='javascript:void(0)' onclick='jsm.toggleLeftRight();'><img src='images/lr_24.png' alt='Toggle left to right' title='Toggle left to right'></a>

lib/gollum/frontend/public/gollum/livepreview/js/livepreview.js

@@ -87,6 +87,18 @@ defaultCommitMessage = function() {
 // Set comment using the default commit message.
 commentEditorSession.setValue( defaultCommitMessage() );
 
+$.preview = function( previewWindow ) {
+    jQuery.ajax( {
+      type: 'POST',
+      url: baseUrl + '/preview',
+      data: { page: 'Preview: ' + pageName, format: 'markdown', content: editorSession.getValue() },
+      success: function( html ) {
+        previewWindow.document.write( html );
+        previewWindow.focus();
+      }
+    });
+}
+
 $.save = function( commitMessage ) {
   win.onbeforeunload = null;
 
@@ -96,8 +108,9 @@ $.save = function( commitMessage ) {
   var msg = defaultCommitMessage();
   var newLocation = baseUrl;
 
+  // Remove all duplicate slashes
   function clean( str ) {
-    return str.replace(/^\/+/, '/');
+    return str.replace(/\/+/g, '/');
   }
 
   // 'a%2Fb' => a/b
@@ -377,8 +390,16 @@ var applyTimeout = function () {
     });
   }
 
+  $( '#preview' ).click( function() {
+    $(this).target = "_blank";
+    // pass window into preview
+    $.preview( window.open() );
+    return false;
+  });
+
   $( '#save' ).click( function() {
     $.save();
+    return false;
   });
 
   // Hide dimmer, comment tool panel, and comment.

lib/gollum/frontend/public/gollum/livepreview/licenses/licenses.txt

@@ -15,7 +15,10 @@ CC BY-SA 3.0 Unported
 http://blog.twg.ca/2010/11/retina-display-icon-set/
 http://creativecommons.org/licenses/by-sa/3.0/legalcode.txt
 
+  lib/gollum/frontend/public/images/savecomment_24.png
+  lib/gollum/frontend/public/images/cancel_24.png
   lib/gollum/frontend/public/images/save_24.png
+  lib/gollum/frontend/public/images/globe_24.png
 
 ---
 

lib/gollum/git_access.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   # Controls all access to the Git objects from Gollum.  Extend this class to
   # add custom caching for special cases.

lib/gollum/gitcode.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 require 'net/http'
 require 'net/https' # ruby 1.8.7 fix, remove at upgrade
 require 'uri'

lib/gollum/markup.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 require 'digest/sha1'
 require 'cgi'
 require 'pygments'
@@ -37,6 +38,7 @@ module Gollum
       @premap  = {}
       @toc = nil
       @metadata = nil
+      @to_xml = { :save_with => Nokogiri::XML::Node::SaveOptions::DEFAULT_XHTML ^ 1, :indent => 0, :encoding => 'UTF-8' }
     end
 
     # Render the content with Gollum wiki syntax on top of the file's own
@@ -74,13 +76,18 @@ module Gollum
       doc,toc = process_headers(doc)
       @toc = @sub_page ? ( @parent_page ? @parent_page.toc_data : "[[_TOC_]]" ) : toc
       yield doc if block_given?
-      data = doc.to_xhtml
+      # nokogiri's save options are ored together. FORMAT has a value of 1 so ^ 1 removes it.
+      # formatting will create extra spaces in pre tags.
+      # https://github.com/sparklemotion/nokogiri/issues/782
+      # DEFAULT_HTML encodes unicode so XHTML is used for proper unicode support in href.
+      data = doc.to_xml( @to_xml )
 
       data = process_toc_tags(data)
       data = process_wsd(data)
       data.gsub!(/<p><\/p>/) do
         ''
       end
+
       data
     end
 
@@ -119,7 +126,7 @@ module Gollum
         node.add_child(%Q{<a href="##{h_name}">#{h.content}</a>})
         tail.add_child(node)
       end
-      toc = toc.to_xhtml if toc != nil
+      toc = toc.to_xml(@to_xml) if toc != nil
       [doc, toc]
     end
 
@@ -543,7 +550,9 @@ module Gollum
       blocks.each do |lang, code|
         encoding ||= 'utf-8'
         begin
-          hl_code = Pygments.highlight(code, :lexer => lang, :options => {:encoding => encoding.to_s})
+          # must set startinline to true for php to be highlighted without <?
+          # http://pygments.org/docs/lexers/
+          hl_code = Pygments.highlight(code, :lexer => lang, :options => {:encoding => encoding.to_s, :startinline => true})
         rescue
           hl_code = code
         end

lib/gollum/page.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   class Page
     include Pagination

lib/gollum/pagination.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   module Pagination
     def self.included(klass)
@@ -58,4 +59,4 @@ module Gollum
       self.class.log_pagination_options(options)
     end
   end
-end
+end

lib/gollum/sanitization.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   # Encapsulate sanitization options.
   #

lib/gollum/web_sequence_diagram.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 require 'net/http'
 require 'uri'
 require 'open-uri'

lib/gollum/wiki.rb

@@ -1,3 +1,4 @@
+# ~*~ encoding: utf-8 ~*~
 module Gollum
   class Wiki
     include Pagination
@@ -154,6 +155,9 @@ module Gollum
     #           :ref - String the repository ref to retrieve pages from
     #           :ws_subs       - Array of chars to sub for ws in filenames.
     #           :mathjax       - Set to false to disable mathjax.
+    #           :show_all      - Show all files in file view, not just valid pages.
+    #                            Default: false
+    #           :collapse_tree - Start with collapsed file view. Default: false
     #
     # Returns a fresh Gollum::Repo.
     def initialize(path, options = {})
@@ -180,6 +184,8 @@ module Gollum
       @live_preview  = options.fetch(:live_preview, true)
       @universal_toc = options.fetch(:universal_toc, false)
       @mathjax = options[:mathjax] || false
+      @show_all = options[:show_all] || false
+      @collapse_tree = options[:collapse_tree] || false
     end
 
     # Public: check whether the wiki's git repo exists on the filesystem.
@@ -588,6 +594,13 @@ module Gollum
     # Toggles mathjax.
     attr_reader :mathjax
 
+    # Toggles showing all files in files view. Default is false.
+    # When false, only valid pages in the git repo are displayed.
+    attr_reader :show_all
+
+    # Start with collapsed file view. Default: false
+    attr_reader :collapse_tree
+
     # Normalize the data.
     #
     # data - The String data to be normalized.

test/test_app.rb

@@ -185,6 +185,8 @@ context "Frontend" do
     post "/create", :content => 'abc', :page => name,
       :format => 'markdown', :message => 'def'
 
+    follow_redirect!
+
     assert last_response.ok?
 
     @wiki.clear_cache
@@ -260,6 +262,9 @@ context "Frontend" do
     page2 = @wiki.page('A')
     assert_equal page1.version.sha, page2.version.sha
   end
+=begin
+  # redirects are now handled by class MapGollum in bin/gollum
+  # they should be set in config.ru
 
   test "redirects from 'base_path' or 'base_path/' to 'base_path/Home'" do
     Precious::App.set(:wiki_options, {})
@@ -277,6 +282,7 @@ context "Frontend" do
     # Reset base path
     Precious::App.set(:wiki_options, { :base_path => nil })
   end
+=end
   
   test "author details in session are used" do
     page1 = @wiki.page('A')
@@ -363,6 +369,36 @@ context "Frontend with lotr" do
     assert body.include?("Eye Of Sauron"), "/pages/Mordor/ should include the page 'Eye Of Sauron'"
   end
 
+  # base path requires 'map' in a config.ru to work correctly.
+  test "create pages within sub-directories using base path" do
+    Precious::App.set(:wiki_options, { :base_path => 'wiki' })
+    page = 'path'
+    post "/create", :content => '123', :page => page,
+      :path => 'Mordor', :format => 'markdown', :message => 'oooh, scary'
+    # should be wiki/Mordor/path
+    assert_equal 'http://example.org/Mordor/' + page, last_response.headers['Location']
+    get '/Mordor/' + page
+    assert_match /123/, last_response.body
+
+    # Reset base path
+    Precious::App.set(:wiki_options, { :base_path => nil })
+  end
+
+  test "create pages within sub-directories using page file dir" do
+    Precious::App.set(:wiki_options, { :page_file_dir => 'wiki' })
+
+    post "/create", :content => 'one two', :page => 'base',
+      :path => 'Mordor', :format => 'markdown', :message => 'oooh, scary'
+    assert_equal 'http://example.org/wiki/Mordor/base', last_response.headers['Location']
+    get "/wiki/Mordor/base"
+
+    # Reset page_file_dir after request but before matching.
+    Precious::App.set(:wiki_options, { :page_file_dir => nil })
+
+    assert_match /one two/, last_response.body
+  end
+
+
   test "create pages within sub-directories" do
     post "/create", :content => 'big smelly creatures', :page => 'Orc',
       :path => 'Mordor', :format => 'markdown', :message => 'oooh, scary'

test/test_file_view.rb

@@ -12,6 +12,10 @@ class FakePage
     ::File.basename(@filepath, ::File.extname(@filepath))
   end
 
+  def filename
+    ::File.basename(@filepath)
+  end
+
   def path
     return @filepath
   end

test/test_gitcode.rb

@@ -25,7 +25,7 @@ context "gitcode" do
   end
 
   test 'that the rendered output is correctly fetched and rendered as html code' do
-    assert_equal %Q{<p>a</p>\n\n<div class=\"highlight\">\n  <pre><span class=\"nt\">&lt;ol</span> <span class=\"na\">class=</span><span class=\"s\">\"tree\"</span><span class=\"nt\">&gt;</span>\n  <span class=\"nt\">&lt;li</span> <span class=\"na\">class=</span><span class=\"s\">\"file\"</span><span class=\"nt\">&gt;&lt;a</span> <span class=\"na\">href=</span><span class=\"s\">\"0\"</span><span class=\"nt\">&gt;</span>0<span class=\"nt\">&lt;/a&gt;&lt;/li&gt;</span>\n<span class=\"nt\">&lt;/ol&gt;</span>\n</pre>\n</div>\n\n<p>b</p>}, @rendered
+    assert_equal %Q{<p>a</p>\n\n<div class=\"highlight\"><pre><span class=\"nt\">&lt;ol</span> <span class=\"na\">class=</span><span class=\"s\">\"tree\"</span><span class=\"nt\">&gt;</span>\n  <span class=\"nt\">&lt;li</span> <span class=\"na\">class=</span><span class=\"s\">\"file\"</span><span class=\"nt\">&gt;&lt;a</span> <span class=\"na\">href=</span><span class=\"s\">\"0\"</span><span class=\"nt\">&gt;</span>0<span class=\"nt\">&lt;/a&gt;&lt;/li&gt;</span>\n<span class=\"nt\">&lt;/ol&gt;</span>\n</pre></div>\n\n<p>b</p>}, @rendered
   end
 
   test 'contents' do

test/test_markup.rb

@@ -193,7 +193,7 @@ context "Markup" do
   test "wiki link within inline code block" do
     @wiki.write_page("Potato", :markdown, "`sed -i '' 's/[[:space:]]*$//'`", commit_details)
     page = @wiki.page("Potato")
-    assert_equal "<p>\n  <code>sed -i '' 's/[[:space:]]*$//'</code>\n</p>", page.formatted_data
+    assert_equal "<p><code>sed -i '' 's/[[:space:]]*$//'</code></p>", page.formatted_data
   end
 
   test "regexp gsub! backref (#383)" do
@@ -208,11 +208,11 @@ context "Markup" do
           DATA
       ), commit_details)
     output = @wiki.page(page).formatted_data
-    expected = %Q{<pre>\n  <code>      <div class=\"highlight\"><pre><span class=\"n\">rot13</span><span class=\"p\">=</span><span class=\"s\">'tr '</span><span class=\"o\">\\</span><span class=\"s\">''</span><span class=\"n\">A</span><span class=\"o\">-</span><span class=\"n\">Za</span><span class=\"o\">-</span><span class=\"n\">z</span><span class=\"o\">'\\</span><span class=\"s\">''</span> <span class=\"s\">'\\''N-ZA-Mn-za-m'</span><span class=\"o\">\\</span><span class=\"s\">'</span>\n</pre></div>\n</code>\n</pre>}
+    expected = %Q{<pre><code>      <div class=\"highlight\"><pre><span class=\"n\">rot13</span><span class=\"p\">=</span><span class=\"s\">'tr '</span><span class=\"o\">\\</span><span class=\"s\">''</span><span class=\"n\">A</span><span class=\"o\">-</span><span class=\"n\">Za</span><span class=\"o\">-</span><span class=\"n\">z</span><span class=\"o\">'\\</span><span class=\"s\">''</span> <span class=\"s\">'\\''N-ZA-Mn-za-m'</span><span class=\"o\">\\</span><span class=\"s\">'</span>\n</pre></div>\n</code></pre>}
     assert_equal expected, output
   end
 
-  test "~~~ code blocks #537" do
+  test "tilda code blocks #537" do
     page = 'test_rgx'
     @wiki.write_page(page, :markdown,
       %Q(~~~ {.ruby}
@@ -220,11 +220,12 @@ context "Markup" do
 ~~~
       ), commit_details)
     output = @wiki.page(page).formatted_data
-    expected = %Q{<div class=\"highlight\">\n  <pre><span class=\"s1\">'hi'</span>\n</pre>\n</div>}
+    expected = %Q{<div class=\"highlight\"><pre><span class=\"s1\">'hi'</span>\n</pre></div>}
     assert_equal expected, output
   end
 
-  test "~~~ code blocks #537 with more than one class" do
+  # Issue #537
+  test "tilda code blocks with more than one class" do
     page = 'test_rgx'
     @wiki.write_page(page, :markdown,
       %Q(~~~ {#hi .ruby .sauce}
@@ -232,11 +233,12 @@ context "Markup" do
 ~~~
       ), commit_details)
     output = @wiki.page(page).formatted_data
-    expected = %Q{<div class=\"highlight\">\n  <pre><span class=\"s1\">'hi'</span>\n</pre>\n</div>}
+    expected = %Q{<div class=\"highlight\"><pre><span class=\"s1\">'hi'</span>\n</pre></div>}
     assert_equal expected, output
   end
 
-  test "~~~ code blocks #537 with lots of tildes" do
+  # Issue #537
+  test "tilda code blocks with lots of tildes" do
     page = 'test_rgx'
     @wiki.write_page(page, :markdown,
       %Q(~~~~~~ {#hi .ruby .sauce}
@@ -245,20 +247,30 @@ context "Markup" do
 ~~~~~~
       ), commit_details)
     output = @wiki.page(page).formatted_data
-    expected = %Q{<div class=\"highlight\">\n  <pre><span class=\"o\">~~</span>\n<span class=\"s1\">'hi'</span><span class=\"o\">~</span>\n</pre>\n</div>}
+    expected = %Q{<div class=\"highlight\"><pre><span class=\"o\">~~</span>\n<span class=\"s1\">'hi'</span><span class=\"o\">~</span>\n</pre></div>}
+    assert_equal expected, output
+  end
+
+  test "four space indented code block" do
+    page = 'test_four'
+    @wiki.write_page(page, :markdown,
+      %(    test
+    test), commit_details)
+    output = @wiki.page(page).formatted_data
+    expected = %(<pre><code>test\ntest\n</code></pre>)
     assert_equal expected, output
   end
 
   test "wiki link within code block" do
     @wiki.write_page("Potato", :markdown, "    sed -i '' 's/[[:space:]]*$//'", commit_details)
     page = @wiki.page("Potato")
-    assert_equal "<pre>\n  <code>sed -i '' 's/[[:space:]]*$//'\n</code>\n</pre>", page.formatted_data
+    assert_equal "<pre><code>sed -i '' 's/[[:space:]]*$//'\n</code></pre>", page.formatted_data
   end
 
   test "piped wiki link within code block" do
     @wiki.write_page("Potato", :markdown, "`make a link [[home|sweet home]]`", commit_details)
     page = @wiki.page("Potato")
-    assert_equal "<p>\n  <code>make a link [[home|sweet home]]</code>\n</p>", page.formatted_data
+    assert_equal "<p><code>make a link [[home|sweet home]]</code></p>", page.formatted_data
   end
 
   #########################################################################
@@ -459,9 +471,9 @@ context "Markup" do
   #
   #########################################################################
 
-  test "code blocks" do
+  test "regular code blocks" do
     content = "a\n\n```ruby\nx = 1\n```\n\nb"
-    output = %Q{<p>a</p>\n\n<div class=\"highlight\">\n  <pre><span class=\"n\">x</span> <span class=\"o\">=</span> <span class=\"mi\">1</span>\n</pre>\n</div>\n\n<p>b</p>}
+    output = %Q{<p>a</p>\n\n<div class=\"highlight\"><pre><span class=\"n\">x</span> <span class=\"o\">=</span> <span class=\"mi\">1</span>\n</pre></div>\n\n<p>b</p>}
 
     index = @wiki.repo.index
     index.add("Bilbo-Baggins.md", content)
@@ -474,7 +486,7 @@ context "Markup" do
 
   test "code blocks with carriage returns" do
     content = "a\r\n\r\n```ruby\r\nx = 1\r\n```\r\n\r\nb"
-    output = %Q{<p>a</p>\n\n<div class=\"highlight\">\n  <pre><span class=\"n\">x</span> <span class=\"o\">=</span> <span class=\"mi\">1</span>\n</pre>\n</div>\n\n<p>b</p>}
+    output = %Q{<p>a</p>\n\n<div class=\"highlight\"><pre><span class=\"n\">x</span> <span class=\"o\">=</span> <span class=\"mi\">1</span>\n</pre></div>\n\n<p>b</p>}
 
     index = @wiki.repo.index
     index.add("Bilbo-Baggins.md", content)
@@ -505,7 +517,7 @@ context "Markup" do
 
   test "code blocks with multibyte caracters indent" do
     content = "a\n\n```ruby\ns = 'やくしまるえつこ'\n```\n\nb"
-    output = %Q{<p>a</p>\n\n<div class=\"highlight\">\n  <pre><span class=\"n\">s</span> <span class=\"o\">=</span> <span class=\"s1\">'やくしまるえつこ'</span>\n</pre>\n</div>\n\n<p>b</p>}
+    output = %Q{<p>a</p>\n\n<div class=\"highlight\"><pre><span class=\"n\">s</span> <span class=\"o\">=</span> <span class=\"s1\">'やくしまるえつこ'</span>\n</pre></div>\n\n<p>b</p>}
     index = @wiki.repo.index
     index.add("Bilbo-Baggins.md", content)
     index.commit("Add alpha.jpg")
@@ -565,7 +577,7 @@ np.array([[2,2],[1,3]],np.float)
     output_page = @wiki.page("page").formatted_data
 
     assert_equal %Q{<p>a  b</p>}, output_script
-    assert_equal %Q{<div class=\"highlight\">\n  <pre><span class=\"nt\">&lt;p&gt;</span>a  b<span class=\"nt\">&lt;/p&gt;</span>\n</pre>\n</div>}, output_page
+    assert_equal %Q{<div class=\"highlight\"><pre><span class=\"nt\">&lt;p&gt;</span>a  b<span class=\"nt\">&lt;/p&gt;</span>\n</pre></div>}, output_page
   end
 
   test "embed code page absolute link" do
@@ -574,7 +586,7 @@ np.array([[2,2],[1,3]],np.float)
 
     page = @wiki.page("a")
     output = page.formatted_data
-    assert_equal %Q{<p>a\n</p><div class=\"highlight\">\n  <pre><span class=\"nt\">&lt;p&gt;</span>a\n!base<span class=\"nt\">&lt;/p&gt;</span>\n</pre>\n</div>\n}, output
+    assert_equal %Q{<p>a\n</p><div class=\"highlight\"><pre><span class=\"nt\">&lt;p&gt;</span>a\n!base<span class=\"nt\">&lt;/p&gt;</span>\n</pre></div>\n}, output
   end
 
   test "embed code page relative link" do
@@ -583,7 +595,7 @@ np.array([[2,2],[1,3]],np.float)
 
     page = @wiki.page("a")
     output = page.formatted_data
-    assert_equal %Q{<p>a\n</p><div class=\"highlight\">\n  <pre><span class=\"nt\">&lt;p&gt;</span>a\n!rel<span class=\"nt\">&lt;/p&gt;</span>\n</pre>\n</div>\n}, output
+    assert_equal %Q{<p>a\n</p><div class=\"highlight\"><pre><span class=\"nt\">&lt;p&gt;</span>a\n!rel<span class=\"nt\">&lt;/p&gt;</span>\n</pre></div>\n}, output
   end
 
   test "code block in unsupported language" do