Issue #14110 has been reported by ibylich (Ilya Bylich).

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Bug #14110: Ruby 2.5.0.dev (from trunk) still doesn't support zero unicode codepoints
https://bugs.ruby-lang.org/issues/14110

* Author: ibylich (Ilya Bylich)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: ruby 2.5.0dev (2017-11-14 trunk 60757) [x86_64-darwin17]
* Backport: 2.3: UNKNOWN, 2.4: UNKNOWN
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Hi,

This commit - https://github.com/ruby/ruby/commit/7e8b910 - according to its commit message should allow zero unicode codepoints, i.e.

~~~
$ cat test.rb
p "\u{}"

$ ./ruby -v
ruby 2.5.0dev (2017-11-14 trunk 60757) [x86_64-darwin17]

$ ./ruby test.rb
test.rb:1: invalid Unicode escape
p "\u{}"
      ^
~~~

Shouldn't it be supported now? Because the test that was removed (that zero codepoints are not supported) is still passing.
Thanks.



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