スペ

noun

insert a space (editor's mark)

Abbreviation of スペース, used as a proofreading or editing mark to indicate where a space should be inserted. Not a general word for 'space'.

• 校こう正せい記き号ごうで「スペ」はスペースを入いれる指し示じです。

  In proofreading marks, 'supe' is an instruction to insert a space.