"whitespace" option: Define whether to surround commented text with whitespace
Experimental inline comment text object (not functional yet)
tcomment#DefineType(name, commentdef, ?cdef={}, ?anyway=0)
s:SetWhitespaceMode(cdef): Add whitespace if mode = "both" and the commentstring doesn't include whitespace
Support for R6RS scheme block comments (fixes #60)
Support for upstart.