From: hsbt@...
Date: 2020-08-08T04:39:47+00:00
Subject: [ruby-core:99514] [Ruby master Bug#17107] Backtick in backtrace is a little bit annoying

Issue #17107 has been updated by hsbt (Hiroshi SHIBATA).

Status changed from Open to Rejected

See #13589 

----------------------------------------
Bug #17107: Backtick in backtrace is a little bit annoying
https://bugs.ruby-lang.org/issues/17107#change-86973

* Author: ioquatix (Samuel Williams)
* Status: Rejected
* Priority: Normal
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
----------------------------------------
In Ruby exception backtrace (and other places), the method name uses a quoting style of a backtick followed by a text/name followed by an apostrophy.

```
in `<main>'
```

The quoting style is not safe, as in, it cannot be relied upon for parsing, because it's easy to inject quotes into the output stream:

e.g.

~~~
irb(main):006:0> self.send(:"I'm Great")
Traceback (most recent call last):
        4: from /tmp/64556713-b3a1-40a1-b458-bfed3fec55b2:8:in `<main>'
        3: from <internal:prelude>:20:in `irb'
        2: from /tmp/64556713-b3a1-40a1-b458-bfed3fec55b2:5:in `<main>'
        1: from /tmp/64556713-b3a1-40a1-b458-bfed3fec55b2:6:in `rescue in <main>'
NoMethodError (undefined method `I'm Great' for main:Object)
~~~

Note the last line now has ambiguous quoting.

- Should we fix this quoting style?
- Should we remove this quoting style?
- Should we choose some other quoting style?

As a specific point:

- Can we use two apostrophes rather than a backtick/apostrophe? Backticks often have a special meaning (e.g. markdown) which makes it somewhat annoying to copy and paste.






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