# frozen_string_literal: true source 'https://rubygems.org' # Look in asciidoctor-epub3.gemspec for runtime and development dependencies. gemspec group :optional do # epubcheck-ruby might be safe to be converted into runtime dependency, # but could have issues when packaged into asciidoctorj-epub3 gem 'epubcheck-ruby', '~> 5.1.0.0' end