Issue #5214 has been reported by Eric Hodel.

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Bug #5214: "not (true)" should not warn "(...) interpreted as grouped expression" 
http://redmine.ruby-lang.org/issues/5214

Author: Eric Hodel
Status: Open
Priority: Normal
Assignee: 
Category: core
Target version: 
ruby -v: ruby 1.9.3dev (2011-08-21 revision 33020) [x86_64-darwin11.1.0]


If you have a space between "not" and "(" ruby will warn.

Since it is normal to use "not" with a grouped expression ruby should not warn

The workaround is to remove the space or change to "!" instead of "not"


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