/usr/include/kpimtextedit/ is in kdepimlibs5-dev 4:4.14.10-1ubuntu7.
This file is owned by root:root, with mode 0o755.
..
/usr/include/kpimtextedit/emailquotehighlighter.h
/usr/include/kpimtextedit/emoticontexteditaction.h
/usr/include/kpimtextedit/htmlhighlighter.h
/usr/include/kpimtextedit/inserthtmldialog.h
/usr/include/kpimtextedit/insertimagedialog.h
/usr/include/kpimtextedit/insertimagewidget.h
/usr/include/kpimtextedit/inserttabledialog.h
/usr/include/kpimtextedit/kpimtextedit_export.h
/usr/include/kpimtextedit/selectspecialchar.h
/usr/include/kpimtextedit/tablecellformatdialog.h
/usr/include/kpimtextedit/tableformatdialog.h
/usr/include/kpimtextedit/textedit.h
/usr/include/kpimtextedit/textutils.h