More things I think should be done.

@@ -45,6 +45,16 @@ IMPORTANT:
 
 [mailbox]
 
+- mailboxes don't remember whether or not they've been opened
+
+- print errors to a debug object, by default
+
+- the debug object should pass the error level onto the callback
+
+- does IMAP do an EXAMINE instead of a select if the mailbox is being
+  opened readonly? Does list return whether a mailbox is readonly?
+  Check against CMUs anon server, it is a read-only mailbox.
+
 - mu_cpystr - the size_t* size outputs only give strlen(), not the
   actual length?
 
@@ -60,8 +70,6 @@ IMPORTANT:
 
 - implement a header_field_unfold()?
 
-- finish rewrite 8-)
-
 - pipe_open_stream() - implemented with popen()
 
 - Configuration API
@@ -96,7 +104,13 @@ IMPORTANT:
 
 [sieve]
 
-- argp
+- make sure there's a SV_DBG_ERR, so REAL info on errors gets printed
+
+- add copyrights, including CMUs to the docs
+
+- ensure implicit keep works
+
++ argp
 
 - clean up diagnostics
  - fileinto action dies badly when the mailbox lock failed