Issue #10528 has been reported by Alexey Muranov.

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Feature #10528: Allow line breaks instead of commas in arrays, hashes, argument lists, etc.
https://bugs.ruby-lang.org/issues/10528

* Author: Alexey Muranov
* Status: Open
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Since the seemingly reasonable proposal #8956 has been rejected because it "diverged so far from the original", i will dare to propose another version here.

I suggest to automatically convert line breaks inside parentheses `(...)`, inside  "hashy" braces `{...}`, inside brackets `[...]`, and inside block argument lists `|...|`, if they are not preceded with a comma and skipping empty space, into a comma, while all other line breaks that are not preceded with a semicolon into a semicolon (skipping empty lines).  Unless, of course, the line break is preceded with `\` or followed by a dot `.`.

I would be possible to write then:

```ruby
todo = [ 'shopping'
         'cinema'
         'restaurant' ]

rules = { 'evil' => 'bad'
          'kind' => 'good' }
```



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