Changes upon 4.6.3:

• native UTF-8 support
• new unified search/replace engine with search types: Plain, Wildcard, Regexp, Hex
• fixed fish handling for symlinks and fancy names to be escaped
• fixed fish permission checks that can be cause of segfault
• various editor enchancements (vertical block marking/moving/copy/paste, undo fixes, initial etags support)
• x86_64 fixes
• various syntax files updates
• code cleanups, various memleak/etc fixes (many thanks to valgrind)
• filenames charset choosing support in panels
• various mc.ext fixes
• included many fixes from other distributions
• added initial support for doxygen generated docs
• bells and whistles (trailing tabs hilighting, tabs/spaces mix, free space on disk, etc.)
• commandline completion fixes (mainly, escaping hadling)
• terminal fixes (like putty)
• small fixes in history handling (locale independent .mc/history entries)
• refreshed autoconf stuff
• extended learn keys
• translation updates