Install djvusmooth by entering the following commands in the terminal:
sudo apt update sudo apt install djvusmooth
Description:
graphical editor for DjVu
djvusmooth is a graphical editor for DjVu files, which allows one to: * edit document metadata, * edit document outline (bookmarks), * correct occasional errors in the hidden text layer.
Homepage: http://jwilk.net/software/djvusmooth
Version: 0.2.19-1
Section: universe/text