Changes upon 4.6.3:

Core changes:
 * native UTF-8 support
 * filenames charset selection support in panels
 * new unified search/replace engine with search types: Plain, Wildcard, Regexp, Hex
 * extended learn keys
 * locale based codepage autodetection
 * initial support for doxygen generated docs
 * refresh of autoconf stuff
 * translation updates
 * x86_64 fixes

Editor:
 * various editor enchancements (vertical block marking/moving/copy/paste)
 * navigate across source code through ctags/etags TAGS file
 * shift block right with TAB key by TAB size or TAB symbol, shift block left with COMPLETE key 
 * optional show line number
 * various syntax files updates
 * optional hilighting of tabs and trailing spaces
 * add some hot-keys

Misc:
 * show free space on current file system
 * show size of selected files in mini-status bar

Bug fixes:
 * editor undo fixes
 * included many fixes from other distributions
 * fixed fish handling for symlinks and fancy names to be escaped
 * fixed fish permission checks that can be cause of segfault
 * various mc.ext fixes
 * commandline completion fixes (mainly, escaping hadling)
 * small fixes in history handling (locale independent .mc/history entries)
 * slow search in viewer (and we still have place to optimize it)
 * code cleanups, various memleak/etc fixes (many thanks to valgrind)