Hi Laurent, This error occurred under 10.5.7. I will try it on my snow leopard setup and see if it also occurs there.

Message: 3 Date: Wed, 09 Dec 2009 14:33:11 -0800 From: Laurent Sansonetti <lsansonetti@apple.com> To: "MacRuby development discussions." <macruby-devel@lists.macosforge.org> Subject: Re: [MacRuby-devel] mangled range param in NSString#getLineStart:end:contentsEnd:forRange: Message-ID: <F2D284EC-ABE7-4629-80DF-C6E5BCB27194@apple.com> Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes

Hi Michael,

This could be another ABI calling problem. What architecture are you running?

Laurent

On Dec 9, 2009, at 2:25 PM, Michael Johnston wrote: