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Since the update to 3.1.0 via RubyInstaller under Win 10 there is a problem with alt gr in irb. When I try to enter { (German keyboard alt gr + {) I get ^[{. Any idea what's going wrong? BTW 3.0.2 was working fine.

Eric
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2 Answers2

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Fixed:

git clone https://github.com/ruby/reline

cd reline

rake install

https://github.com/ruby/reline/pull/425

Eric
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  • @Eric perfect, thanks! Can't believe a default ruby environment installed on Windows with rubyinstaller using default settings is still suffering from this kind of basic issues in 2023... – Redoman Jan 09 '23 at 20:42
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Alternatively you can install or update reline using gem :

gem install reline

This issue (altgr+4 => ^[{) also occurs with irb/ruby installed via msys2. As a side effect you might notice a speed up when copy/pasting inside irb.

Ps: not enough reputation to just comment previous answer

Ugur Kurnaz
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