End of Life Ruby 3.1 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

class method

CGI.accept_charset=

accept_charset=(accept_charset)

# File tmp/rubies/ruby-3.1.3/lib/cgi/core.rb, line 764
def self.accept_charset=(accept_charset)
  @@accept_charset=accept_charset
end

Set the accept character set for all new CGI instances.

See also .accept_charset .new .parse also in 3.4 · 3.3 · 3.2 · 3.0