+ Backward Compatibility Breaking Horde Issues (aka Horde 4.0 TODO) * Fix cloning behavior (See Bug 1410). * Remove deprecated code in IMAP_Tree::. * Move IMP_IMAPClient:: to Horde. * Merge IMP_Thread:: to IMAP_Thread::. * Encrypt deprecations in Horde_Crypt_pgp::. * Use one place for clear text sendmail error messages. * rename files in imp/templates/prefs to moresensibesensible defaults (e.g. draftsfolderselect.inc, not folderselect.inc) * Remove deprecated code in MIME_Headers:: * Remove {{$foo = &new Foo();}} calls and replace with {{$foo = new Foo();}} - The former is deprecated as of PHP 5 and causes errors when strict code checking is on. * Remove IMP_Template::. * Remove app-specific 'stripe.js' files. * Move share edit form into framework package to make it extendable. * Convert all configuration files to XML format. * Replace horde's popup.js with IMP's version. * Remove IMP_IMAP_Search:: and Ingo_IMAP_Search::. * Remove imap_reopen() call in IMAP_Search::.