new file mode 100644
--- /dev/null
+++ b/examples/trac/templates/macros.cs
@@ -0,0 +1,197 @@
+<?cs def:hdf_select(options, name, selected, optional) ?>
+ <select size="1" id="<?cs var:name ?>" name="<?cs var:name ?>"><?cs
+  if:optional ?><option></option><?cs /if ?><?cs
+  each:option = options ?>
+   <option<?cs if:option == selected ?> selected="selected"<?cs /if ?>><?cs 
+     var:option ?></option><?cs
+  /each ?>
+ </select><?cs
+/def?><?cs
+
+def:labelled_hdf_select(label, options, name, selected, optional) ?><?cs 
+ if:len(options) > #0 ?>
+  <label for="<?cs var:name ?>"><?cs var:label ?></label><?cs
+   call:hdf_select(options, name, selected, optional) ?>
+  </label>
+  <br /><?cs
+ /if ?><?cs
+/def ?><?cs
+
+def:browser_path_links(path, file) ?><?cs
+ set:first = #1 ?><?cs
+  each:part = path ?><?cs
+   set:last = name(part) == len(path) - #1 ?><a<?cs 
+   if:first ?> class="first" title="Go to root directory"<?cs 
+    set:first = #0 ?><?cs 
+   else ?> title="View <?cs var:part.name ?>"<?cs
+   /if ?> href="<?cs var:part.href ?>"><?cs var:part.name ?></a><?cs
+   if:!last ?><span class="sep">/</span><?cs /if ?><?cs 
+ /each ?><?cs
+/def ?><?cs
+
+def:diff_line_class(block, line) ?><?cs
+ set:first = name(line) == 0 ?><?cs
+ set:last = name(line) + 1 == len(block.lines) ?><?cs
+ if:first || last ?> class="<?cs
+  if:first ?>first<?cs /if ?><?cs
+  if:first && last ?> <?cs /if ?><?cs
+  if:last ?>last<?cs /if ?>"<?cs
+ /if ?><?cs
+/def ?><?cs
+
+def:diff_display(diff, style) ?><?cs
+ if:style == 'sidebyside' ?><?cs
+  each:block = diff ?><?cs
+   if:block.type == 'unmod' ?><tbody><?cs
+    each:line = block.base.lines ?><tr><th><?cs
+     var:#block.base.offset + name(line) + 1 ?></th><td class="l"><span><?cs
+     var:line ?></span>&nbsp;</td><th><?cs
+     var:#block.changed.offset + name(line) + 1 ?></th><td class="r"><span><?cs
+     var:block.changed.lines[name(line)] ?></span>&nbsp;</td></tr><?cs
+    /each ?></tbody><?cs
+   elif:block.type == 'mod' ?><tbody class="mod"><?cs
+    if:len(block.base.lines) >= len(block.changed.lines) ?><?cs
+     each:line = block.base.lines ?><tr><th><?cs
+      var:#block.base.offset + name(line) + 1 ?></th><td class="l"><?cs
+      var:line ?>&nbsp;</td><?cs
+      if:len(block.changed.lines) >= name(line) + 1 ?><?cs
+       each:changedline = block.changed.lines ?><?cs
+        if:name(changedline) == name(line) ?><th><?cs
+         var:#block.changed.offset + name(changedline) + 1 ?></th><td class="r"><?cs
+         var:changedline ?>&nbsp;</td><?cs
+        /if ?><?cs
+       /each ?><?cs
+      else ?><th>&nbsp;</th><td class="r">&nbsp;</td><?cs
+      /if ?></tr><?cs
+     /each ?><?cs
+    else ?><?cs
+     each:line = block.changed.lines ?><tr><?cs
+      if:len(block.base.lines) >= name(line) + 1 ?><?cs
+       each:baseline = block.base.lines ?><?cs
+        if:name(baseline) == name(line) ?><th><?cs
+         var:#block.base.offset + name(baseline) + 1 ?></th><td class="l"><?cs
+         var:baseline ?>&nbsp;</td><?cs
+        /if ?><?cs
+       /each ?><?cs
+      else ?><th>&nbsp;</th><td class="l">&nbsp;</td><?cs
+      /if ?>
+      <th><?cs var:#block.changed.offset + name(line) + 1 ?></th>
+      <td class="r"><?cs var:line ?>&nbsp;</td></tr><?cs
+     /each ?><?cs
+    /if ?></tbody><?cs
+   elif:block.type == 'add' ?><tbody class="add"><?cs
+    each:line = block.changed.lines ?><tr><th>&nbsp;</th><td class="l">&nbsp;</td><th><?cs
+     var:#block.changed.offset + name(line) + 1 ?></th><td class="r"><ins><?cs
+     var:line ?></ins>&nbsp;</td></tr><?cs
+    /each ?><?cs
+   elif:block.type == 'rem' ?><tbody class="rem"><?cs
+    each:line = block.base.lines ?><tr><th><?cs
+     var:#block.base.offset + name(line) + 1 ?></th><td class="l"><del><?cs
+     var:line ?></del>&nbsp;</td><th>&nbsp;</th><td class="r">&nbsp;</td></tr><?cs
+    /each ?><?cs
+   /if ?></tbody><?cs
+  /each ?><?cs
+ else ?><?cs
+  each:block = diff ?><?cs
+   if:block.type == 'unmod' ?><tbody><?cs
+    each:line = block.base.lines ?><tr><th><?cs
+     var:#block.base.offset + name(line) + #1 ?></th><th><?cs
+     var:#block.changed.offset + name(line) + #1 ?></th><td class="l"><span><?cs
+     var:line ?></span>&nbsp;</td></tr><?cs
+    /each ?></tbody><?cs
+   elif:block.type == 'mod' ?><tbody class="mod"><?cs
+    each:line = block.base.lines ?><tr<?cs
+     if:name(line) == 0 ?> class="first"<?cs /if ?>><th><?cs
+     var:#block.base.offset + name(line) + #1 ?></th><th>&nbsp;</th><td class="l"><?cs
+     var:line ?>&nbsp;</td></tr><?cs
+    /each ?><?cs
+    each:line = block.changed.lines ?><tr<?cs
+     if:name(line) + 1 == len(block.changed.lines) ?> class="last"<?cs /if ?>><th>&nbsp;</th><th><?cs
+     var:#block.changed.offset + name(line) + #1 ?></th><td class="r"><?cs
+     var:line ?>&nbsp;</td></tr><?cs
+    /each ?></tbody><?cs
+   elif:block.type == 'add' ?><tbody class="add"><?cs
+    each:line = block.changed.lines ?><tr<?cs
+     call:diff_line_class(block.changed, line) ?>><th>&nbsp;</th><th><?cs
+     var:#block.changed.offset + name(line) + #1 ?></th><td class="r"><ins><?cs
+     var:line ?></ins>&nbsp;</td></tr><?cs
+    /each ?></tbody><?cs
+   elif:block.type == 'rem' ?><tbody class="rem"><?cs
+    each:line = block.base.lines ?><tr<?cs
+     call:diff_line_class(block.base, line) ?>><th><?cs
+     var:#block.base.offset + name(line) + 1 ?></th><th>&nbsp;</th><td class="l"><del><?cs
+     var:line ?></del>&nbsp;</td></tr><?cs
+    /each ?></tbody><?cs
+   /if ?><?cs
+  /each ?><?cs
+ /if ?><?cs
+/def ?><?cs
+
+def:ticket_custom_props(ticket) ?><?cs
+ each c=ticket.custom ?>
+  <div class="field custom_<?cs var c.name ?>"><?cs
+   if c.type == 'text' ?>
+    <label>
+     <?cs alt c.label ?><?cs var c.name ?><?cs /alt ?>:
+     <input type="text" name="custom_<?cs var c.name ?>" value="<?cs var c.value ?>" />
+    </label><?cs
+   elif c.type == 'textarea' ?>
+    <label>
+     <?cs alt c.label ?><?cs var c.name ?><?cs /alt ?>:<br />
+     <textarea cols="<?cs alt c.width ?>60<?cs /alt ?>" rows="<?cs
+       alt c.height ?>12<?cs /alt ?>" name="custom_<?cs var c.name ?>"><?cs
+       var c.value ?></textarea>
+    </label><?cs
+   elif c.type == 'checkbox' ?>
+    <input type="hidden" name="checkbox_<?cs var c.name ?>" />
+    <label>
+     <input type="checkbox" name="custom_<?cs var c.name ?>" value="1"<?cs
+       if c.selected ?> checked="checked"<?cs /if ?> />
+     <?cs alt c.label ?><?cs var c.name ?><?cs /alt ?>
+    </label><?cs
+   elif c.type == 'select' ?>
+    <label>
+     <?cs alt c.label ?><?cs var c.name ?><?cs /alt ?>:
+     <select name="custom_<?cs var c.name ?>"><?cs each v = c.option ?>
+      <option<?cs if v.selected ?> selected="selected"<?cs /if ?>><?cs
+        var v ?></option><?cs /each ?>
+     </select>
+    </label><?cs
+   elif c.type == 'radio' ?>
+    <fieldset class="radio">
+     <legend><?cs alt c.label ?><?cs var c.name ?><?cs /alt ?>:</legend><?cs
+     each v = c.option ?>
+      <label><input type="radio" name="custom_<?cs var c.name ?>" value="<?cs
+         var v ?>"<?cs if v.selected ?> checked="checked"<?cs /if ?> /> <?cs
+         var v ?></label><?cs
+     /each ?>
+    </fieldset><?cs
+   /if ?>
+  </div><?cs
+ /each ?><?cs
+/def ?><?cs 
+
+def:list_of_attachments(attachments, attach_href) ?>
+<h2>Attachments</h2><?cs
+ if:len(attachments) ?><div id="attachments">
+  <dl class="attachments"><?cs each:attachment = attachments ?>
+   <dt><a href="<?cs var:attachment.href ?>" title="View attachment"><?cs
+   var:attachment.filename ?></a> (<?cs var:attachment.size ?>) - added by <em><?cs
+   var:attachment.author ?></em> on <?cs
+   var:attachment.time ?>.</dt><?cs
+   if:attachment.description ?>
+    <dd><?cs var:attachment.description ?></dd><?cs
+   /if ?><?cs
+  /each ?></dl><?cs
+ /if ?><?cs
+ if:attach_href ?>
+  <form method="get" action="<?cs var:attach_href ?>"><div>
+   <input type="hidden" name="action" value="new" />
+   <input type="submit" value="Attach File" />
+  </div></form><?cs
+ /if ?><?cs if:len(attachments) ?></div><?cs /if ?><?cs
+/def ?><?cs
+
+def:plural(base, count) ?><?cs
+ var:base ?><?cs if:count != 1 ?>s<?cs /if ?><?cs
+/def ?>