require 'rexml/document'
include REXML

#- rexml sanity check (bugs in ruby 1.8.4, ruby 1.8.6)
xmldoc = Document.new("<test/>")
xmldoc << XMLDecl.new(XMLDecl::DEFAULT_VERSION, "UTF-8")
content = ['61c3a927223c3e26'].pack("H*")  #- is some UTF-8 text but just to make sure my editor won't magically convert..
xmldoc.root.add_attribute('attr', content)
out = []
xmldoc.write(out, 0)

xmldoc = REXML::Document.new(out.join)
sanity1 = xmldoc.root.attributes['attr']
out = []
xmldoc.write(out, 0)

xmldoc = REXML::Document.new(out.join)
sanity2 = xmldoc.root.attributes['attr']

puts "REXML sanity outcome (correctly readable on a UTF-8 system only): sanity1=#{sanity1}, sanity2=#{sanity2}"

if sanity1 != sanity2
    puts "=> REXML sanity check *FAILED* (this is normal at least with unpatched ruby-1.8.4 or ruby-1.8.6, which ship a broken REXML)."
    exit 1
else
    puts "=> REXML sanity check OK"
    exit 0
end