Even with Ruby 4.0, snippets is not always available, such as in irb by
default. It would be better to just say nothing than to show a confusing
message.

https://github.com/ruby/error_highlight/commit/ef80ce73a1

Previously calling a singleton method with invalid arguments would give:

    RuntimeError: Incompatible locations

This is because `join` wants the operator to come before the location

https://github.com/ruby/error_highlight/commit/44920551dd

This commit updates the Ruby version to follow the commit in Ruby master branch.

https://github.com/ruby/ruby/commit/6d81969b475262aba251e99b518181bdf7c5a523

https://github.com/ruby/error_highlight/commit/dcecf68d75

This commit fixes the case when there are multiple missing or incorrect
keywords provided to a method.  Without this fix, ErrorHighlight itself
will raise an exception

https://github.com/ruby/error_highlight/commit/8bde92b36e

https://github.com/ruby/error_highlight/commit/5f976265ef

https://github.com/ruby/error_highlight/commit/d3063cde62

This is an experimental implementation for
https://bugs.ruby-lang.org/issues/21543.

```
test.rb:2:in 'Object#foo': wrong number of arguments (given 1, expected 2) (ArgumentError)

    caller: test.rb:6
    |   foo(1)
        ^^^
    callee: test.rb:2
    | def foo(x, y)
          ^^^
        from test.rb:6:in 'Object#bar'
        from test.rb:10:in 'Object#baz'
        from test.rb:13:in '<main>'
```

https://github.com/ruby/error_highlight/commit/21e974e1c4

Fixes https://github.com/ruby/error_highlight/pull/58

https://github.com/ruby/error_highlight/commit/9ddc1f31a9

instead of `method()`.

There is a bug around `define_method`, so this patch is workaround.

https://github.com/ruby/error_highlight/commit/4d04537f58

https://github.com/ruby/error_highlight/commit/0048bd0285