(let ((space-idx (save-excursion
(re-search-backward " " lurk-input-marker t))))
(completion-in-region (+ 1 space-idx)
(point)
(mapcar (lambda (row) (car row)) lurk-networks))))
(let ((space-idx (save-excursion
(re-search-backward " " lurk-input-marker t))))
(completion-in-region (+ 1 space-idx)
(point)
(mapcar (lambda (row) (car row)) lurk-networks))))