--- a/gpp/core/functions.py	Sun Mar 04 13:20:40 2012 -0600
+++ b/gpp/core/functions.py	Sun Mar 04 14:52:24 2012 -0600
@@ -103,3 +103,15 @@
     except ValueError:
         n = 1
     return n
+
+
+def quote_message(who, message):
+    """
+    Builds a message reply by quoting the existing message in a
+    typical email-like fashion. The quoting is compatible with Markdown.
+    """
+    msg = "> %s" % message.replace('\n', '\n> ')
+    if msg.endswith('\n> '):
+        msg = msg[:-2]
+
+    return "*%s wrote:*\n\n%s\n\n" % (who, msg)