(commont_style): Include dummy elements "slanted" and "rslanted" to prefer "o" to "r" if "i" is requested.
(commont_style): Include dummy elements "slanted" and
"rslanted" to prefer "o" to "r" if "i" is requested.

xmirror/m17n-lib,xmirror/m17n-lib,xmirror/m17n-lib,xmirror/m17n-lib