GEM remote: https://rubygems.org/ specs: addressable (2.7.0) public_suffix (>= 2.0.2, < 5.0) ethon (0.12.0) ffi (>= 1.3.0) ffi (1.14.2) html-proofer (3.18.8) addressable (~> 2.3) mercenary (~> 0.3) nokogumbo (~> 2.0) parallel (~> 1.3) rainbow (~> 3.0) typhoeus (~> 1.3) yell (~> 2.0) mercenary (0.4.0) mini_portile2 (2.5.0) nokogiri (1.11.1) mini_portile2 (~> 2.5.0) racc (~> 1.4) nokogumbo (2.0.4) nokogiri (~> 1.8, >= 1.8.4) parallel (1.20.1) public_suffix (4.0.6) racc (1.5.2) rainbow (3.0.0) typhoeus (1.4.0) ethon (>= 0.9.0) yell (2.2.2) PLATFORMS ruby DEPENDENCIES html-proofer BUNDLED WITH 2.1.4