Index: app/views/common/_diff.html.erb
===================================================================
--- app/views/common/_diff.html.erb (revision 21371)
+++ app/views/common/_diff.html.erb (working copy)
@@ -6,7 +6,7 @@
 <% diff.each do |table_file| -%>
 <div class="autoscroll">
 <% if diff.diff_type == 'sbs' -%>
-<table class="filecontent">
+<table class="filecontent diffcontent">
 <thead>
 <tr>
   <th colspan="4" class="filename">
@@ -21,17 +21,17 @@
 <% table_file.each_line do |spacing, line| -%>
 <% if spacing -%>
 <tr class="spacing">
-  <th class="line-num">...</th><td></td><th class="line-num">...</th><td></td>
+  <th class="line-num" data-txt="..."></th><td></td><th class="line-num" data-txt="..."></th><td></td>
 </tr>
 <% end -%>
 <tr>
-  <th class="line-num"><%= line.nb_line_left %></th>
+  <th class="line-num" data-txt="<%= line.nb_line_left %>"></th>
   <td class="line-code <%= line.type_diff_left %>">
-    <pre><%= line.html_line_left.html_safe %></pre>
+    <div><%= line.html_line_left.html_safe %></div>
   </td>
-  <th class="line-num"><%= line.nb_line_right %></th>
+  <th class="line-num" data-txt="<%= line.nb_line_right %>"></th>
   <td class="line-code <%= line.type_diff_right %>">
-    <pre><%= line.html_line_right.html_safe %></pre>
+    <div><%= line.html_line_right.html_safe %></div>
   </td>
 </tr>
 <% end -%>
@@ -39,7 +39,7 @@
 </table>
 
 <% else -%>
-<table class="filecontent">
+<table class="filecontent diffcontent">
 <thead>
   <tr>
     <th colspan="3" class="filename">
@@ -58,10 +58,10 @@
 </tr>
 <% end -%>
 <tr>
-  <th class="line-num"><%= line.nb_line_left %></th>
-  <th class="line-num"><%= line.nb_line_right %></th>
+  <th class="line-num" data-txt="<%= line.nb_line_left %>"></th>
+  <th class="line-num" data-txt="<%= line.nb_line_right %>"></th>
   <td class="line-code <%= line.type_diff %>">
-    <pre><%= line.html_line.html_safe %></pre>
+    <div><%= line.html_line.html_safe %></div>
   </td>
 </tr>
 <% end -%>
Index: app/views/common/_file.html.erb
===================================================================
--- app/views/common/_file.html.erb (revision 21371)
+++ app/views/common/_file.html.erb (working copy)
@@ -4,11 +4,13 @@
 <% line_num = 1 %>
 <% syntax_highlight_lines(filename, Redmine::CodesetUtil.to_utf8_by_setting(content)).each do |line| %>
   <tr id="L<%= line_num %>">
-    <th class="line-num">
-      <a href="#L<%= line_num %>"><%= line_num %></a>
-    </th>
+    <th class="line-num"><a href="#L<%= line_num %>" data-txt="<%= line_num %>"></a></th>
     <td class="line-code">
-      <pre><%= line.html_safe %></pre>
+      <% if line == "\n" or line == "\r\n" %>
+      <br>
+      <% else %>
+      <div><%= line.html_safe %></div>
+      <% end %>
     </td>
   </tr>
   <% line_num += 1 %>
Index: app/views/repositories/annotate.html.erb
===================================================================
--- app/views/repositories/annotate.html.erb  (revision 21371)
+++ app/views/repositories/annotate.html.erb  (working copy)
@@ -17,7 +17,7 @@
     <% syntax_highlight_lines(@path, Redmine::CodesetUtil.to_utf8_by_setting(@annotate.content)).each do |line| %>
       <% revision = @annotate.revisions[line_num - 1] %>
       <tr id="L<%= line_num %>" class="bloc-<%= revision.nil? ? 0 : colors[revision.identifier || revision.revision] %> <%= previous_revision && revision && revision != previous_revision ? 'bloc-change' : nil%>">
-        <th class="line-num"><a href="#L<%= line_num %>"><%= line_num %></a></th>
+        <th class="line-num"><a href="#L<%= line_num %>" data-txt="<%= line_num %>"></a></th>
         <td class="revision">
           <% if revision && revision != previous_revision %>
             <%= revision.identifier ?
@@ -31,7 +31,11 @@
             <%= author.split('<').first %>
           <% end %>
         </td>
-        <td class="line-code"><pre><%= line.html_safe %></pre></td>
+        <% if line == "\n" or line == "\r\n" %>
+        <td class="line-code"><br></td>
+        <% else %>
+        <td class="line-code"><div><%= line.html_safe %></div></td>
+        <% end %>
       </tr>
       <% line_num += 1; previous_revision = revision %>
     <% end %>
Index: public/stylesheets/scm.css
===================================================================
--- public/stylesheets/scm.css  (revision 21371)
+++ public/stylesheets/scm.css  (working copy)
@@ -61,8 +61,14 @@
     text-decoration: none;
     color: inherit;
 }
+table.filecontent th.line-num a:after {
+    content:  attr(data-txt);
+}
+table.diffcontent th.line-num:after {
+    content:  attr(data-txt);
+}
 table.filecontent td.line-code {padding: 0 0 0 4px;}
-table.filecontent td.line-code pre {
+table.filecontent td.line-code pre, table.filecontent td.line-code div {
     margin: 0px;
     white-space: pre-wrap;
     font-family:Consolas, Menlo, "Liberation Mono", Courier, monospace; font-size:12px;