MarsSeed [1] filed a deletion request for lib32-leptonica [2]: Can be safely deleted, as it's only required by lib32-tesseract (deletion request submitted), which is only needed by the now-unneeded lib32-opencv and lib32-ffmpeg-semifull-git (deletion request pending for both).
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/lib32-leptonica/
