From: "nobu (Nobuyoshi Nakada) via ruby-core" <ruby-core@...>
Date: 2023-04-01T13:08:43+00:00
Subject: [ruby-core:113070] [Ruby master Bug#19563] Ripper.tokenize(code).join != code when heredoc and multiline %w[] literal is on the same line

Issue #19563 has been updated by nobu (Nobuyoshi Nakada).


Similar for Unicode codepoints.

```ruby
p Ripper.tokenize("<<EOS || %[\\u{4a\n""EOS\n\n\n\n""5a}]").join("")
# "<<EOS || %[EOS\n\n\n\n5a}]"
```

----------------------------------------
Bug #19563: Ripper.tokenize(code).join != code when heredoc and multiline %w[] literal is on the same line
https://bugs.ruby-lang.org/issues/19563#change-102603

* Author: tompng (tomoya ishida)
* Status: Open
* Priority: Normal
* ruby -v: ruby 3.3.0dev (2023-03-29T21:57:52Z master 1b06422767) [x86_64-linux]
* Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN
----------------------------------------
~~~ruby
Ripper.tokenize "<<EOF || %w[hello\nEOF\n\n\n\nworld]"
# actual result
["<<EOF", " ", "||", " ", "%w[", "hello", "\n\n\n\n", "EOF\n", "world", "]"]
# expected result
["<<EOF", " ", "||", " ", "%w[", "hello", "\n", "EOF\n", "\n\n\n", "world", "]"]
~~~
same for `%i[]` literal.




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