Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....characters_allowed_type { ALL = 0, LATIN_ALPHABET = 1, DIGITS }; added new fields...characters_allowed_type::LATIN_ALPHABET; // settings.filters.filter_1...