# HG changeset patch
# User cmlenz
# Date 1156551423 0
# Node ID 56f5e93edc48791e8bea11a9a40f369eb6c9d133
# Parent  516a6cae0aa86466987f54eb03e9cffed2dae260
Add doctest to verify that the `py:attrs` directive correctly handles a sequence of `(name, value)` tuples.

diff --git a/markup/template.py b/markup/template.py
--- a/markup/template.py
+++ b/markup/template.py
@@ -194,8 +194,9 @@
 class AttrsDirective(Directive):
     """Implementation of the `py:attrs` template directive.
     
-    The value of the `py:attrs` attribute should be a dictionary. The keys and
-    values of that dictionary will be added as attributes to the element:
+    The value of the `py:attrs` attribute should be a dictionary or a sequence
+    of `(name, value)` tuples. The items in that dictionary or sequence are
+    added as attributes to the element:
     
     >>> tmpl = Template('''<ul xmlns:py="http://markup.edgewall.org/">
     ...   <li py:attrs="foo">Bar</li>
@@ -204,6 +205,10 @@
     <ul>
       <li class="collapse">Bar</li>
     </ul>
+    >>> print tmpl.generate(foo=[('class', 'collapse')])
+    <ul>
+      <li class="collapse">Bar</li>
+    </ul>
     
     If the value evaluates to `None` (or any other non-truth value), no
     attributes are added: