[ruby-core:80731] [Ruby trunk Bug#13406][Rejected] URI.parse

Issue #13406 has been updated by naruse (Yui NARUSE).

Status changed from Open to Rejected

Unfortunately RFC3986 allows "'" in host.

```
   authority     = [ userinfo "@" ] host [ ":" port ]
   host          = IP-literal / IPv4address / reg-name
   reg-name      = *( unreserved / pct-encoded / sub-delims )
   sub-delims    = "!" / "$" / "&" / "'" / "(" / ")"
                 / "*" / "+" / "," / ";" / "="
```

----------------------------------------
Bug #13406: URI.parse
https://bugs.ruby-lang.org/issues/13406#change-64285

* Author: shahkrunalm (Krunal Shah)
* Status: Rejected
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 2.4.1
* Backport: 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN
----------------------------------------
Previously we were using

```
ruby '2.1.9'
rails '4.1.1'

uri = URI.parse("http://" + 'abc.com') # Here, domain name abc.com is provided using single quotation.
```

This was throwing exception as domain name is invalid as it contain single quotation and that's what we want

Following is the stack trace

```
2.1.9 :001 > a = '\'abc.com\''
 => "'abc.com'" 
2.1.9 :002 > URI.parse("http://" + a)
URI::InvalidURIError: the scheme http does not accept registry part: 'abc.com' (or bad hostname?)
	from /usr/local/rvm/rubies/ruby-2.1.9/lib/ruby/2.1.0/uri/generic.rb:214:in `initialize'
	from /usr/local/rvm/rubies/ruby-2.1.9/lib/ruby/2.1.0/uri/common.rb:214:in `new'
	from /usr/local/rvm/rubies/ruby-2.1.9/lib/ruby/2.1.0/uri/common.rb:214:in `parse'
	from /usr/local/rvm/rubies/ruby-2.1.9/lib/ruby/2.1.0/uri/common.rb:747:in `parse'
	from (irb):2
	from /usr/local/rvm/gems/ruby-2.1.9@clearstream/gems/railties-4.1.1/lib/rails/commands/console.rb:90:in `start'
	from /usr/local/rvm/gems/ruby-2.1.9@clearstream/gems/railties-4.1.1/lib/rails/commands/console.rb:9:in `start'
	from /usr/local/rvm/gems/ruby-2.1.9@clearstream/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:69:in `console'
	from /usr/local/rvm/gems/ruby-2.1.9@clearstream/gems/railties-4.1.1/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
	from /usr/local/rvm/gems/ruby-2.1.9@clearstream/gems/railties-4.1.1/lib/rails/commands.rb:17:in `<top (required)>'
	from bin/rails:8:in `require'
	from bin/rails:8:in `<main>'
```

Now, we have upgraded to 

```
ruby '2.4.1'
rails '5.0.2'

uri = URI.parse("http://" + 'abc.com') 
```

Now, it doesn't throw any exception and allows domain name with single quotation.

```
2.4.1 :005 > a = '\'abc.com\''
 => "'abc.com'" 
2.4.1 :006 > URI.parse("http://" + a)
 => #<URI::HTTP http://'abc.com'> 
2.4.1 :007 > 
```



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