-* tasks in 2.9.x
+* tasks in 2.11.x
** enable to define folder icons in elmo.el
** reconsider the structure of msgdb and make behavior faster
* other tasks
+** use hash table for entries in .addresses
** mitigate special treatment of NNTP around wl-folder-check-entity-async
** organize variable like wl-summary-other-frame-list so as to open
matched summary in the new frame
** organize optional setting for pipe folders to download messages at once
when one checks new messages
** support for rfc2192, rfc2193, rfc2221 (managing imap referral)
-** deletion of attached file part in received mail
** putting codes in order