Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools. This update was made based on information from https://repology.org/metapackage/tesseract/versions
Tesseract is now decoupled from the tessdata language corpus. This avoids recompilation when building Tesseract with a custom set of languages. Update k2pdfopt to use the new wrapper interface.
Rename default.nix -> tesseract3.nix Rename 4.x.nix -> tesseract4.nix This is needed for the following commits.