Gem::NoAliasYAMLTree#visit_String

# File tmp/rubies/ruby-4.0.0/lib/rubygems/psych_tree.rb, line 10
def visit_String(str)
  return super unless str == "=" # or whatever you want

  quote = Psych::Nodes::Scalar::SINGLE_QUOTED
  @emitter.scalar str, nil, nil, false, true, quote
end