From: brabuhr@...
Date: 2011-03-28T09:12:24+09:00
Subject: Re: Even more 1.9 encoding issues (was: Re: SQLite3/Sinatra not returning results)

> http://redmine.ruby-lang.org/issues/show/4279
> pack.c (pack_unpack): the resulted string of unpack('M') must have
> ASCII-8BIT encoding (and ENC_CODERANGE_VALID). [ruby-core:34482]

Oops, that's unpack('M'), Rack is using unpack('m').