diff --git a/app/controllers/application.rb b/app/controllers/application.rb
index abf621641..2daee50de 100644
--- a/app/controllers/application.rb
+++ b/app/controllers/application.rb
@@ -61,11 +61,11 @@ class ApplicationController < ActionController::Base
   def set_localization
     User.current.language = nil unless User.current.logged?
     lang = begin
-      if !User.current.language.blank? and GLoc.valid_languages.include? User.current.language.to_sym
+      if !User.current.language.blank? && GLoc.valid_language?(User.current.language)
         User.current.language
       elsif request.env['HTTP_ACCEPT_LANGUAGE']
-        accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first.split('-').first
-        if accept_lang and !accept_lang.empty? and GLoc.valid_languages.include? accept_lang.to_sym
+        accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first.downcase
+        if !accept_lang.blank? && (GLoc.valid_language?(accept_lang) || GLoc.valid_language?(accept_lang = accept_lang.split('-').first))
           User.current.language = accept_lang
         end
       end
diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index ca3309c46..568abc3d4 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -149,7 +149,7 @@ class IssuesController < ApplicationController
         attach_files(@issue, params[:attachments])
         flash[:notice] = l(:notice_successful_create)
         Mailer.deliver_issue_add(@issue) if Setting.notified_events.include?('issue_added')
-        redirect_to :controller => 'issues', :action => 'show', :id => @issue,  :project_id => @project
+        redirect_to :controller => 'issues', :action => 'show', :id => @issue
         return
       end		
     end	
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 47a251053..589b054f3 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -90,6 +90,11 @@ module ApplicationHelper
     include_date ? local.strftime("#{@date_format} #{@time_format}") : local.strftime(@time_format)
   end
   
+  # Truncates and returns the string as a single line
+  def truncate_single_line(string, *args)
+    truncate(string, *args).gsub(%r{[\r\n]+}m, ' ')
+  end
+  
   def html_hours(text)
     text.gsub(%r{(\d+)\.(\d+)}, '<span class="hours hours-int">\1</span><span class="hours hours-dec">.\2</span>')
   end
@@ -301,7 +306,7 @@ module ApplicationHelper
           if project && (changeset = project.changesets.find_by_revision(oid))
             link = link_to("r#{oid}", {:only_path => only_path, :controller => 'repositories', :action => 'revision', :id => project, :rev => oid},
                                       :class => 'changeset',
-                                      :title => truncate(changeset.comments, 100))
+                                      :title => truncate_single_line(changeset.comments, 100))
           end
         elsif sep == '#'
           oid = oid.to_i
@@ -340,7 +345,9 @@ module ApplicationHelper
             end
           when 'commit'
             if project && (changeset = project.changesets.find(:first, :conditions => ["scmid LIKE ?", "#{name}%"]))
-              link = link_to h("#{name}"), {:only_path => only_path, :controller => 'repositories', :action => 'revision', :id => project, :rev => changeset.revision}, :class => 'changeset', :title => truncate(changeset.comments, 100)
+              link = link_to h("#{name}"), {:only_path => only_path, :controller => 'repositories', :action => 'revision', :id => project, :rev => changeset.revision},
+                                           :class => 'changeset',
+                                           :title => truncate_single_line(changeset.comments, 100)
             end
           when 'source', 'export'
             if project && project.repository
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index ffbf25e83..49a2e5721 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -21,6 +21,10 @@ module ProjectsHelper
     link_to h(version.name), { :controller => 'versions', :action => 'show', :id => version }, options
   end
   
+  def format_activity_title(text)
+    h(truncate_single_line(text, 100))
+  end
+  
   def format_activity_day(date)
     date == Date.today ? l(:label_today).titleize : format_date(date)
   end
diff --git a/app/models/project.rb b/app/models/project.rb
index 8c32c8562..fff5df758 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -144,7 +144,8 @@ class Project < ActiveRecord::Base
   end
  
   def to_param
-    identifier
+    # id is used for projects with a numeric identifier (compatibility)
+    @to_param ||= (identifier.to_s =~ %r{^\d*$} ? id : identifier)
   end
   
   def active?
diff --git a/app/views/common/feed.atom.rxml b/app/views/common/feed.atom.rxml
index b5cbeeed9..8ceffc91c 100644
--- a/app/views/common/feed.atom.rxml
+++ b/app/views/common/feed.atom.rxml
@@ -1,6 +1,6 @@
 xml.instruct!
 xml.feed "xmlns" => "http://www.w3.org/2005/Atom" do
-  xml.title   @title
+  xml.title   truncate_single_line(@title, 100)
   xml.link    "rel" => "self", "href" => url_for(params.merge({:format => nil, :only_path => false}))
   xml.link    "rel" => "alternate", "href" => url_for(:controller => 'welcome', :only_path => false)
   xml.id      url_for(:controller => 'welcome', :only_path => false)
@@ -10,11 +10,11 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom" do
   @items.each do |item|
     xml.entry do
       url = url_for(item.event_url(:only_path => false))
-      xml.title truncate(item.event_title, 100)
+      xml.title truncate_single_line(item.event_title, 100)
       xml.link "rel" => "alternate", "href" => url
       xml.id url
       xml.updated item.event_datetime.xmlschema
-      author = item.event_author if item.respond_to?(:author)
+      author = item.event_author if item.respond_to?(:event_author)
       xml.author do
         xml.name(author)
         xml.email(author.mail) if author.respond_to?(:mail) && !author.mail.blank?
diff --git a/app/views/projects/activity.rhtml b/app/views/projects/activity.rhtml
index c2f2f9ebd..d4fe51dc4 100644
--- a/app/views/projects/activity.rhtml
+++ b/app/views/projects/activity.rhtml
@@ -7,7 +7,8 @@
 <dl>
 <% @events_by_day[day].sort {|x,y| y.event_datetime <=> x.event_datetime }.each do |e| -%>
   <dt class="<%= e.event_type %>"><span class="time"><%= format_time(e.event_datetime, false) %></span>
-  <%= content_tag('span', h(e.project), :class => 'project') if @project.nil? || @project != e.project %> <%= link_to h(truncate(e.event_title, 100)), e.event_url %></dt>
+  <%= content_tag('span', h(e.project), :class => 'project') if @project.nil? || @project != e.project %>
+  <%= link_to format_activity_title(e.event_title), e.event_url %></dt>
   <dd><% unless e.event_description.blank? -%>
   <span class="description"><%= format_activity_description(e.event_description) %></span><br />
   <% end %>
diff --git a/app/views/repositories/diff.rhtml b/app/views/repositories/diff.rhtml
index eaef1abf5..73c1e8c9e 100644
--- a/app/views/repositories/diff.rhtml
+++ b/app/views/repositories/diff.rhtml
@@ -11,82 +11,78 @@
   <%= select_tag 'type', options_for_select([[l(:label_diff_inline), "inline"], [l(:label_diff_side_by_side), "sbs"]], @diff_type), :onchange => "if (this.value != '') {this.form.submit()}" %></p>
 <% end %>
 
-<% cache(@cache_key) do %>
-<% @diff.each do |table_file| %>
+<% cache(@cache_key) do -%>
+<% @diff.each do |table_file| -%>
 <div class="autoscroll">
-<% if @diff_type == 'sbs' %>
-    <table class="filecontent CodeRay">
-      <thead>
-        <tr>
-          <th colspan="4" class="filename">
-            <%= table_file.file_name %>
-          </th>
-        </tr>
-        <tr>
-          <th colspan="2">@<%= format_revision @rev %></th>
-          <th colspan="2">@<%= format_revision @rev_to %></th>
-        </tr>
-      </thead>
-      <tbody>
-        <% table_file.keys.sort.each do |key| %>
-          <tr>
-            <th class="line-num">
-              <%= table_file[key].nb_line_left %>
-            </th>
-            <td class="line-code <%= table_file[key].type_diff_left %>">
-              <pre><%=to_utf8 table_file[key].line_left %></pre>
-            </td>
-            <th class="line-num">
-              <%= table_file[key].nb_line_right %>
-            </th>
-            <td class="line-code <%= table_file[key].type_diff_right %>">
-              <pre><%=to_utf8 table_file[key].line_right %></pre>
-            </td>
-          </tr>
-        <% end %>
-      </tbody>
-    </table>
+<% if @diff_type == 'sbs' -%>
+<table class="filecontent CodeRay">
+<thead>
+<tr><th colspan="4" class="filename"><%= table_file.file_name %></th></tr>
+<tr>
+  <th colspan="2">@<%= format_revision @rev %></th>
+  <th colspan="2">@<%= format_revision @rev_to %></th>
+</tr>
+</thead>
+<tbody>
+<% prev_line_left, prev_line_right = nil, nil -%>
+<% table_file.keys.sort.each do |key| -%>
+<% if prev_line_left && prev_line_right && (table_file[key].nb_line_left != prev_line_left+1) && (table_file[key].nb_line_right != prev_line_right+1) -%>
+<tr class="spacing"><td colspan="4"></td></tr>
+<% end -%>
+<tr>
+  <th class="line-num"><%= table_file[key].nb_line_left %></th>
+  <td class="line-code <%= table_file[key].type_diff_left %>">
+    <pre><%=to_utf8 table_file[key].line_left %></pre>
+  </td>
+  <th class="line-num"><%= table_file[key].nb_line_right %></th>
+  <td class="line-code <%= table_file[key].type_diff_right %>">
+    <pre><%=to_utf8 table_file[key].line_right %></pre>
+  </td>
+</tr>
+<% prev_line_left, prev_line_right = table_file[key].nb_line_left.to_i, table_file[key].nb_line_right.to_i -%>
+<% end -%>
+</tbody>
+</table>
+
+<% else -%>
+<table class="filecontent CodeRay">
+<thead>
+<tr><th colspan="3" class="filename"><%= table_file.file_name %></th></tr>
+<tr>
+  <th>@<%= format_revision @rev %></th>
+  <th>@<%= format_revision @rev_to %></th>
+  <th></th>
+</tr>
+</thead>
+<tbody>
+<% prev_line_left, prev_line_right = nil, nil -%>
+<% table_file.keys.sort.each do |key, line| %>
+<% if prev_line_left && prev_line_right && (table_file[key].nb_line_left != prev_line_left+1) && (table_file[key].nb_line_right != prev_line_right+1) -%>
+<tr class="spacing"><td colspan="3"></td></tr>
+<% end -%>
+<tr>
+  <th class="line-num"><%= table_file[key].nb_line_left %></th>
+  <th class="line-num"><%= table_file[key].nb_line_right %></th>
+  <% if table_file[key].line_left.empty? -%>
+  <td class="line-code <%= table_file[key].type_diff_right %>">
+    <pre><%=to_utf8 table_file[key].line_right %></pre>
+  </td>
+  <% else -%>
+  <td class="line-code <%= table_file[key].type_diff_left %>">
+    <pre><%=to_utf8 table_file[key].line_left %></pre>
+  </td>
+  <% end -%>
+</tr>
+<% prev_line_left = table_file[key].nb_line_left.to_i if table_file[key].nb_line_left.to_i > 0 -%>
+<% prev_line_right = table_file[key].nb_line_right.to_i if table_file[key].nb_line_right.to_i > 0 -%>
+<% end -%>
+</tbody>
+</table>
+<% end -%>
 
-<% else %>
-    <table class="filecontent CodeRay">
-      <thead>
-        <tr>
-          <th colspan="3" class="filename">
-            <%= table_file.file_name %>
-          </th>
-        </tr>
-        <tr>
-          <th>@<%= format_revision @rev %></th>
-          <th>@<%= format_revision @rev_to %></th>
-          <th></th>
-        </tr>
-      </thead>
-      <tbody>
-        <% table_file.keys.sort.each do |key, line| %>
-          <tr>
-            <th class="line-num">
-              <%= table_file[key].nb_line_left %>
-            </th>
-            <th class="line-num">
-              <%= table_file[key].nb_line_right %>
-            </th>
-            <% if table_file[key].line_left.empty? %>
-              <td class="line-code <%= table_file[key].type_diff_right %>">
-                <pre><%=to_utf8 table_file[key].line_right %></pre>
-              </td>
-            <% else %>
-              <td class="line-code <%= table_file[key].type_diff_left %>">
-                <pre><%=to_utf8 table_file[key].line_left %></pre>
-              </td>
-            <% end %>
-          </tr>
-        <% end %>
-      </tbody>
-    </table>
-<% end %>
 </div>
-<% end %>
-<% end %>
+<% end -%>
+<% end -%>
 
 <% html_title(with_leading_slash(@path), 'Diff') -%>
 
diff --git a/lib/redmine/scm/adapters/abstract_adapter.rb b/lib/redmine/scm/adapters/abstract_adapter.rb
index 2c254d48d..8fbae9ff8 100644
--- a/lib/redmine/scm/adapters/abstract_adapter.rb
+++ b/lib/redmine/scm/adapters/abstract_adapter.rb
@@ -279,7 +279,6 @@ module Redmine
             end
           else
             if line =~ /^[^\+\-\s@\\]/
-              self.delete(self.keys.sort.last)
               @parsing = false
               return false
             elsif line =~ /^@@ (\+|\-)(\d+)(,\d+)? (\+|\-)(\d+)(,\d+)? @@/
diff --git a/lib/tasks/migrate_from_trac.rake b/lib/tasks/migrate_from_trac.rake
index 48a774eef..5341fa14a 100644
--- a/lib/tasks/migrate_from_trac.rake
+++ b/lib/tasks/migrate_from_trac.rake
@@ -126,6 +126,10 @@ namespace :redmine do
           File.open("#{trac_fullpath}", 'rb').read
         end
         
+        def description
+          read_attribute(:description).to_s.slice(0,255)
+        end
+        
       private
         def trac_fullpath
           attachment_type = read_attribute(:type)
@@ -408,6 +412,7 @@ namespace :redmine do
               a.file = attachment
               a.author = find_or_create_user(attachment.author)
               a.container = i
+              a.description = attachment.description
               migrated_ticket_attachments += 1 if a.save
         	end
         	
@@ -456,6 +461,7 @@ namespace :redmine do
               a = Attachment.new :created_on => attachment.time
               a.file = attachment
               a.author = find_or_create_user(attachment.author)
+              a.description = attachment.description
               a.container = p
               migrated_wiki_attachments += 1 if a.save
             end
diff --git a/public/javascripts/calendar/lang/calendar-he.js b/public/javascripts/calendar/lang/calendar-he.js
index bd92e0073..9d4c87db0 100644
--- a/public/javascripts/calendar/lang/calendar-he.js
+++ b/public/javascripts/calendar/lang/calendar-he.js
@@ -113,7 +113,7 @@ Calendar._TT["DAY_FIRST"] = "הצג %s קודם";
 // This may be locale-dependent.  It specifies the week-end days, as an array
 // of comma-separated numbers.  The numbers are from 0 to 6: 0 means Sunday, 1
 // means Monday, etc.
-Calendar._TT["WEEKEND"] = "6,7";
+Calendar._TT["WEEKEND"] = "5,6";
 
 Calendar._TT["CLOSE"] = "סגור";
 Calendar._TT["TODAY"] = "היום";
diff --git a/public/stylesheets/scm.css b/public/stylesheets/scm.css
index 66847af8c..d1495a5ef 100644
--- a/public/stylesheets/scm.css
+++ b/public/stylesheets/scm.css
@@ -2,7 +2,7 @@
 table.filecontent { border: 1px solid #ccc;  border-collapse: collapse; width:98%; }
 table.filecontent th { border: 1px solid #ccc; background-color: #eee; }
 table.filecontent th.filename {	background-color: #ddc;	text-align: left; }
-table.filecontent tr.spacing { border: 1px solid #d7d7d7; }
+table.filecontent tr.spacing td { border: 1px solid #d7d7d7; height: 0.4em; }
 table.filecontent th.line-num {
     border: 1px solid #d7d7d7;
 	font-size: 0.8em;
diff --git a/test/functional/welcome_controller_test.rb b/test/functional/welcome_controller_test.rb
index 18146c6aa..df565a751 100644
--- a/test/functional/welcome_controller_test.rb
+++ b/test/functional/welcome_controller_test.rb
@@ -46,4 +46,18 @@ class WelcomeControllerTest < Test::Unit::TestCase
     get :index
     assert_equal :fr, @controller.current_language
   end
+  
+  def test_browser_language_alternate
+    Setting.default_language = 'en'
+    @request.env['HTTP_ACCEPT_LANGUAGE'] = 'zh-TW'
+    get :index
+    assert_equal :"zh-tw", @controller.current_language
+  end
+  
+  def test_browser_language_alternate_not_valid
+    Setting.default_language = 'en'
+    @request.env['HTTP_ACCEPT_LANGUAGE'] = 'fr-CA'
+    get :index
+    assert_equal :fr, @controller.current_language
+  end
 end
diff --git a/vendor/plugins/coderay-0.7.6.227/lib/coderay/scanners/c.rb b/vendor/plugins/coderay-0.7.6.227/lib/coderay/scanners/c.rb
index f6d71ade2..e5d87b233 100644
--- a/vendor/plugins/coderay-0.7.6.227/lib/coderay/scanners/c.rb
+++ b/vendor/plugins/coderay-0.7.6.227/lib/coderay/scanners/c.rb
@@ -122,7 +122,7 @@ module Scanners
           end
 
         when :include_expected
-          if scan(/<[^>\n]+>?|"[^"\n\\]*(?:\\.[^"\n\\]*)*"?/)
+          if scan(/[^\n]+/)
             kind = :include
             state = :initial