From: pdahorek@...
Date: 2017-07-20T20:49:43+00:00
Subject: [ruby-core:82118] [Ruby trunk Bug#13761] incomplete format specifier

Issue #13761 has been reported by ahorek (Pavel Rosick��).

----------------------------------------
Bug #13761: incomplete format specifier
https://bugs.ruby-lang.org/issues/13761

* Author: ahorek (Pavel Rosick��)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 
* Backport: 2.2: UNKNOWN, 2.3: UNKNOWN, 2.4: UNKNOWN
----------------------------------------
is it a bug?

```
'%0.0f%' % 45

expected
ruby 2.4.1 =>  '45%'

actual
ruby trunk => ArgumentError: incomplete format specifier
```


workaround

```
'%0.0f%s' % [45, '%']
=> '45%'
```


```
ruby -v
ruby 2.5.0dev (2017-07-21 trunk 59380) [x86_64-linux]
```



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