Numberbumping the 2.0.0 ebuild to 2.0.1 works without any problems, Sylpheed 2.0.1 compiles and runs well. For the development 2.1.x branch, however, the sylpheed-procmime patch doesn't work any longer (see comment #3 and attached log to bug 100744).
*** Bug 103808 has been marked as a duplicate of this bug. ***
STABLE: Changes from 2.0.1 to 2.0.2: * The auto detection of Japanese encoding now supports UTF-8 encoding. * The number of messages to be copied at a time on IMAP4 was limited to prevent timeout error. * When executing IMAP4 operations which take long time, its progress is now displayed on the statusbar, and the UI is periodically updated. * The selected row of the summary view will be kept when the state of thread display is changed. * The code conversion error and line limit warning will not be displayed anymore when saving as draft. * A bug that prevented the expander of the folder tree of the address book working was fixed. * A bug in which message/rfc822 attachments were broken when pgp-signed was fixed. DEVELOPMENT: Changes from 2.1.2 to 2.1.3: * The feature to save all attachments at once was added. * The subscription dialog of newsgroups was reimplemented with GtkTreeView. * The verification of S/MIME sigunature (PKCS#7) was enabled. * The support of character entity references in HTML messages was improved. * The subject line is now displayed in the title bar of the composition window. * The vertical scrollbar of the folder view now shows or hides itself automatically. * The message number columns of the folder view can be toggled now (default is off). * The selected row of the summary view will be kept when the state of thread display is changed. * The selected row will be aligned to center when it reaches the edge of the summary view on key operation. * The code conversion error and line limit warning will not be displayed anymore when saving as draft. * Some code cleanups were made.
Fixed in CVS. Thank you for reporting.