GEM remote: https://rubygems.org/ specs: Ascii85 (1.1.0) addressable (2.8.5) public_suffix (>= 2.0.2, < 6.0) afm (0.2.2) async (2.6.3) console (~> 1.10) fiber-annotation io-event (~> 1.1) timers (~> 4.1) console (1.23.1) fiber-annotation fiber-local ethon (0.16.0) ffi (>= 1.15.0) ffi (1.15.5) fiber-annotation (0.2.0) fiber-local (1.0.0) hashery (2.1.2) html-proofer (5.0.8) addressable (~> 2.3) async (~> 2.1) nokogiri (~> 1.13) pdf-reader (~> 2.11) rainbow (~> 3.0) typhoeus (~> 1.3) yell (~> 2.0) zeitwerk (~> 2.5) io-event (1.2.3) mini_portile2 (2.8.4) nokogiri (1.15.4) mini_portile2 (~> 2.8.2) racc (~> 1.4) pdf-reader (2.11.0) Ascii85 (~> 1.0) afm (~> 0.2.1) hashery (~> 2.0) ruby-rc4 ttfunk public_suffix (5.0.3) racc (1.7.1) rainbow (3.1.1) ruby-rc4 (0.1.5) timers (4.3.5) ttfunk (1.7.0) typhoeus (1.4.0) ethon (>= 0.9.0) yell (2.2.2) zeitwerk (2.6.11) PLATFORMS ruby DEPENDENCIES html-proofer BUNDLED WITH 2.4.17