New features and changes since tin-1.8.1

New features
------------
. attributes and scope menu
. attachment level
. URL level
. configurable verbatim marks (default is slrn style)
. configurable body trimming
. UTF-8 descriptions (RFC 3977)
. sort by date of last posted article
. writes out newsrc if getting SIGUSR2
. authentication via SASL PLAIN (RFC 4643) is preferred over USER/PASS
. prefer LIST COUNTS (RFC 6048) over LIST ACTIVE if supported
. danish translation
. -4 / -6 cmd. line switches to force IPv4 / IPv6 connection

Changes
-------
. Cancel-Locks can be enabled via configure switch
. url_handler.pl as DEFAULT_URL_HANDLER
. mime_forward is forced on multipart articles
. changed names in tinrc:
    default_editor_format -> editor_format
    default_maildir       -> maildir
    default_mailer_format -> mailer_format
    default_printer       -> printer
    default_savedir       -> savedir
    default_sigfile       -> sigfile
    show_only_unread      -> show_only_unread_arts
. changed names in attributes:
    post_proc_type        -> post_process_type
    show_only_unread      -> show_only_unread_arts
    sort_art_type         -> sort_article_type
    thread_arts           -> thread_articles
. changed names in keymap:
    PageToggleHeaders     -> PageToggleRaw
. '-s', '-m' and '-G' cmd-line options no longer change the corresponding
  tinrc values
. '-w' uses the first given cmd-line group as default group to post to
. with positive getart_limit all unread articles less than getart_limit are
  kept as unread
. mail/pipe/print articles now work on ranges too
. PageReplyQuoteHeaders (^E) and PageFollowupQuoteHeaders (^W) now quote only
  visible headers due to news_headers_to_display

Retired Features
----------------
. VMS support
. libinn support (was broken for ages)
. AUTHINFO GENERIC (deprecated by RFC 4643)
. Kinyarwanda translation (unmaintained since initial commit)
