\newattribute\ltj@tablshift % attribute for talbaselineshift
\newattribute\ltj@tkblshift % attribute for tjabaselineshift
\newattribute\jfam % index for current jfam
+\newattribute\ltj@vert@ori % <=0: UAX#50, >0: always upright
\newattribute\ltj@dir
\newlanguage\ltj@@japanese