also set the sensitivity of '/File/Append signature' in compose menu.
when inserting file, check whole file to see if it is UTF-8.
use onig-config in configure.in.
added separator before 'Mark all read' in folder context menu.
added version information in resource file.
generate sylpheed.rc from sylpheed.rc.in.
fixed OpenSSL test in configure.in.
support Oniguruma for regex.
fixed a bug that flag changes were not saved with manual filtering.
made 2.2.7 release.
updated po files.
modified folder context menu on receiving.
fixed crashes on checking signature.
added Windows-1257 encoding for Baltic.
fixed a memory leak.
added an option to filter junk mails before normal filtering.
added 'Set as (not) junk mail' to the summary context menu.
fixed a bug that manual junk filtering didn't work when no filter rule exist.
po/tr.po: fixed a typo which caused crash.
made workarounds for the crash in GTK+ 2.8.x.
improved the performance of rebuilding tree.
removed redundant folder scan on moving messages.
win32: optimized scanning of directory.
enable 'Mark all read' only when selected folder is opened in the case of IMAP4.
added 'Mark all read' to the folder context menu.
made 2.2.6 release.
fixed URI check on textview.
added missing timeout handling for SMTP.
imap.c: support 8-bit literal (literal8) defined in RFC 3516.
made 2.2.5 release.
increment Pop3Session::cur_total_bytes too when deleting expired messages.
foldersel.c: fixed a bug that bold face was disabled with GLib 2.10 and Pango 1.12.
fixed execution failure when using accessibility module, and character corruption and buffer overflow on sending when using half-width kana.
summaryview.c: don't decrease new/unread count if zero.
fixed a typo in NEWS.
made 2.2.4 release.
fixed a bug that bold face was disabled with GLib 2.10 and Pango 1.12.
added the clear button for quick search entry.
fixed menu strings in keybind changer.
fixed the header of sylpheed-mailto-protocol.reg.
added the option for MIME filename encoding method.
implemented RFC 2231 filename encoding on send.
implemented RFC 2231 parameter value extension.
fixed duplicated subfolders when rebuilding folder tree on Win32 while settings were shared between Win32 and Unix.
made 2.2.3 release.
sylpheed.ico: made background transparent.
enabled sorting of the result of query search.
modified the spacing of the statusbar of address book.
modified the accelerators, and the layout of address book.
printing messages now follows 'Show all headers'.
parse ~/.mailcap if ~/.sylpheed-2.0/mailcap not found.
added a hidden option "mime_command" for backward compatibility.
read mailcap file other than standard location.
removed metamail support and replaced it with the alternative implementation.
allow relative signature path.
ignore trailing path separator when comparing URI on phishing check.
always enable To, Cc, and Bcc button of the address book.
preserve the window position of address book.
enabled View/Cc menu on mail accounts.
made 2.2.2 release.
updated INSTALL and README.
fixed crash after a message window was closed while the search dialog was still open.
fixed crash when tried to move IMAP4 folders right under the root folder.
place alert dialog center if it is out of range.