[MacRuby] #670: A more idiomatic rb_main for MacRuby applications

[MacRuby]

#670: A more idiomatic rb_main for MacRuby applications
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 Reporter:  dev@…                |       Owner:  lsansonetti@…        
     Type:  enhancement          |      Status:  new                  
 Priority:  trivial              |   Milestone:                       
Component:  MacRuby              |    Keywords:                       
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Comment(by dev@…):

 It seems I was wrong in expecting require not to require the main file
 again:

 While `require` won't reload a file that's already been required, rb_main
 is never "required": as the main file, it's just "run", hence not in `$"`,
 and therefore prone to be loaded again by `require`.

 So I'm cleverly ditching rb_main from the require list again. Maybe too
 cleverly for this patch to still make sense.

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Ticket URL: <http://www.macruby.org/trac/ticket/670#comment:1>
MacRuby <http://macruby.org/>