** 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)
** 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)