GEM remote: https://rubygems.org/ specs: activesupport (5.2.3) concurrent-ruby (~> 1.0, >= 1.0.2) i18n (>= 0.7, < 2) minitest (~> 5.1) tzinfo (~> 1.1) addressable (2.6.0) public_suffix (>= 2.0.2, < 4.0) concurrent-ruby (1.1.5) ethon (0.12.0) ffi (>= 1.3.0) ffi (1.11.1) html-proofer (3.11.1) activesupport (>= 4.2, < 6.0) addressable (~> 2.3) mercenary (~> 0.3.2) nokogiri (~> 1.9) parallel (~> 1.3) rainbow (~> 3.0) typhoeus (~> 1.3) yell (~> 2.0) i18n (1.6.0) concurrent-ruby (~> 1.0) mercenary (0.3.6) mini_portile2 (2.4.0) minitest (5.11.3) nokogiri (1.10.3) mini_portile2 (~> 2.4.0) parallel (1.17.0) public_suffix (3.1.1) rainbow (3.0.0) thread_safe (0.3.6) typhoeus (1.3.1) ethon (>= 0.9.0) tzinfo (1.2.5) thread_safe (~> 0.1) yell (2.2.0) PLATFORMS ruby DEPENDENCIES html-proofer BUNDLED WITH 1.14.6