diff -r 340d4ef55b6f -r 8c2c6fdd8d56 ext/markdown.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/markdown.py	Wed Apr 30 21:04:14 2014 +0200
@@ -0,0 +1,27 @@
+from __future__ import absolute_import
+import markdown
+
+import logging
+
+log = logging.getLogger(__name__)
+
+
+def markdown_publish(context, data):
+    """publish a string formatted as MarkDown Text to HTML
+
+    :type context: a cubicweb application object
+
+    :type data: str
+    :param data: some MarkDown text
+
+    :rtype: unicode
+    :return:
+      the data formatted as HTML or the original data if an error occurred
+    """
+    md = markdown.Markdown()
+    try:
+        return md.convert(data)
+    except:
+        import traceback; traceback.print_exc()
+        log.exception("Error while converting Markdown to HTML")
+        return data