warning: character class has duplicated range

[ukolovda]

I've got the error
"warning: character class has duplicated range"

I found that Addressable::URI::CharacterClasses::AUTHORITY has redundant colon:

PCHAR = UNRESERVED + SUB_DELIMS + "\\:\\@"
...
AUTHORITY = PCHAR + "\\[\\:\\]"

See

addressable/lib/addressable/uri.rb

Line 51 in f3fb80c

AUTHORITY = PCHAR + "\\[\\:\\]"

Ruby 3.0.2 give this warning.

[dentarg]

How to reproduce:

$ ruby -w -raddressable/uri -e 'Addressable::URI.encode_component("foo/bar", Addressable::URI::CharacterClasses::AUTHORITY)'
/Users/dentarg/.gem/ruby/3.0.2/gems/addressable-2.8.0/lib/addressable/uri.rb:412: warning: character class has duplicated range: /[^a-zA-Z0-9\-\.\_\~\!\$\&\'\(\)\*\+\,\;\=\:\@\[\:\]]/

# or

$ irb -w -r addressable/uri
irb(main):001:0> Addressable::VERSION::STRING
=> "2.8.0"
irb(main):002:0> Regexp.compile("[#{Addressable::URI::CharacterClasses::AUTHORITY}]")
(irb):2: warning: character class has duplicated range: /[a-zA-Z0-9\-\.\_\~\!\$\&\'\(\)\*\+\,\;\=\:\@\[\:\]]/
=> /[a-zA-Z0-9\-\.\_\~\!\$\&\'\(\)\*\+\,\;\=\:\@\[\:\]]/

[dentarg]

Solved by #438