From: dorian@...
Date: 2021-01-08T21:59:04+00:00
Subject: [ruby-core:101984] [Ruby master Bug#17520] Allow symbols starting with number, e.g. :2_weeks

Issue #17520 has been reported by dorianmariefr (Dorian Mari�).

----------------------------------------
Bug #17520: Allow symbols starting with number, e.g. :2_weeks
https://bugs.ruby-lang.org/issues/17520

* Author: dorianmariefr (Dorian Mari�)
* Status: Open
* Priority: Normal
* ruby -v: ruby 2.7.1p83 (2020-03-31 revision a0c7c23c9c) [x86_64-darwin19]
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN, 3.0: UNKNOWN
----------------------------------------

For instance:

```
p({ 2_weeks: 1 })
```

results in:

```
a.rb:1: trailing `_' in number
p({ 2_weeks: 1 })
a.rb:1: syntax error, unexpected local variable or method, expecting =>
p({ 2_weeks: 1 })
```

and 

```
p({ :2_weeks => 1 })
```

results in:

```
a.rb:1: trailing `_' in number
p({ :2_weeks => 1 })
a.rb:1: syntax error, unexpected integer literal, expecting literal content or terminator or tSTRING_DBEG or tSTRING_DVAR
```

I'm not sure if it's doable as ruby thinks I'm writing a number, just wondering if that could be possible to start a symbol with a number



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