1 files changed, 29 insertions, 4 deletions

diff --git a/Mailman/Errors.py b/Mailman/Errors.py
index 51850e9aa..1b294a21a 100644
--- a/Mailman/Errors.py
+++ b/Mailman/Errors.py
@@ -1,7 +1,7 @@
-MODERATED_LIST_MSG    = "Moderated list"
-IMPLICIT_DEST_MSG     = "Implicit destination"
-SUSPICIOUS_HEADER_MSG = "Suspicious header"
-FORBIDDEN_SENDER_MSG  = "Forbidden sender"
+"""Shared mailman errors and messages."""
+
+__version__ = "$Revision: 397 $"
+
 
 MMUnknownListError   = "MMUnknownListError"
 MMBadListError       = "MMBadListError"
@@ -24,3 +24,28 @@ MMAlreadyUndigested  = "MMAlreadyUndigested"
 MMBadRequestId       = "MMBadRequestId"
 MMWebSubscribeRequiresConfirmation = "MMWebSubscribeRequiresConfirmation"
 
+MODERATED_LIST_MSG    = "Moderated list"
+IMPLICIT_DEST_MSG     = "Implicit destination"
+SUSPICIOUS_HEADER_MSG = "Suspicious header"
+FORBIDDEN_SENDER_MSG  = "Forbidden sender"
+
+MESSAGE_DECORATION_NOTE = """This text can include  <b>%(field)s</b> format
+strings which are resolved against the list's attribute dictionary (__dict__).
+Some useful fields are:
+
+<dl>
+  <dt>real_name
+  <dd>The "pretty" name of the list, with capitalization.
+  <dt>_internal_name
+  <dd>The name by which the list is identified in URLs, where case
+      is germane.
+  <dt>host_name
+  <dd>The domain-qualified host name where the list server runs.
+  <dt>web_page_url
+  <dd>The mailman root URL to which, eg, 'listinfo/%(_internal_name)s
+      can be appended to yield the listinfo page for the list.
+  <dt>description
+  <dd>The brief description of the list.
+  <dt>info
+  <dd>The less brief list description.
+"""