in
to write or draw in ink over sth that has already been written or drawn in pencil :
( figurative )
The date for the presentation should have been inked in (= made definite) by now.
in
to write or draw in ink over sth that has already been written or drawn in pencil :
( figurative )
The date for the presentation should have been inked in (= made definite) by now.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005