main
Fixed `quote_readline'. This fixes completing filenames containing single quote (') on bash-4.
(testsuite) Add test case for _filedir with directory containing multibyte character. See also: http://www.mail-archive.com/bash-completion-devel@lists.alioth.debian.org/msg01942.html
_filedir: Properly quote paths to avoid unexpected expansion.
feat(_comp_compgen_filedir,_comp_compgen_filedir_xspec): don’t suggest . and .. (#1230)
Match uppercased versions of _filedir and _filedir_xspec arguments too.