From: Caleb Clausen <vikkous@...>
Date: 2009-07-20T06:03:14+09:00
Subject: Re: Block Comments

On 7/18/09, yesteray <ray.baxter@gmail.com> wrote:
> What text, if any, is allowed on the the line after the =begin and
> =end delimiters of block comments?
>
> I have code that looks like this:
>
> =begin Hello
> =end Goodbye
> p "I work"
>
> and it prints "I work" on these versions of Ruby:
>
> ruby 1.8.6 (2008-08-11 patchlevel 287) [universal-darwin9.0]
> ruby 1.9.0 (2008-07-25 revision 18217) [i686-darwin9.5.2]
> jruby 1.3.0 (ruby 1.8.6p287) (2009-06-03 5dc2e22) (Java HotSpot(TM)
> Client VM 1.5.0_19) [i386-java]
>
> Normally I wouldn't think about this anymore, but he ruby-parser gem
> (2.0.2) throws an error:
>
> ruby_parser-2.0.2/lib/ruby_lexer.rb:385:in `rb_compile_error':
> embedded document meets end of file. near line 1: "
> Hello" (SyntaxError)
>
> although it works if you remove the text after the =end.

RedParse doesn't have this bug, tho there is a more obscure problem
with =begin blocks that I haven't figured out yet.