Here is the relevant output from 'ruby install.rb install'


[several successful tests snipped]
  1) Error:
test_match1(XPathTestCase):
SystemStackError: stack level too deep
    /usr/local/lib/ruby/1.8/rexml/xpath_parser.rb:220:in `internal_parse'
    /usr/local/lib/ruby/1.8/rexml/xpath_parser.rb:49:in `match'
    /usr/local/lib/ruby/1.8/rexml/xpath_parser.rb:303:in `d_o_s'
    /usr/local/lib/ruby/1.8/rexml/xpath_parser.rb:301:in `each_index'
    /usr/local/lib/ruby/1.8/rexml/xpath_parser.rb:301:in `d_o_s'
    /usr/local/lib/ruby/1.8/rexml/xpath_parser.rb:294:in `descendant_or_self'
[the above 6 stack frames repeated many times snipped]

  2) Error:
test_match_all(XPathTestCase):
SystemStackError: stack level too deep
[the same repeating stack frames snipped]

  3) Error:
test_show_attribute(XPathTestCase):
SystemStackError: stack level too deep
[the same repeating stack frames snipped]

6 tests, 7 assertions, 0 failures, 3 errors
install failed
hook /usr/local/src/ruby-htmltools/./pre-install.rb failed:
'system /usr/local/bin/ruby -Ilib /usr/local/src/ruby-htmltools/test/tc_xpath.rb' failed
try 'ruby install.rb --help' for usage