# File lib/rspec/core/formatters/html_formatter.rb, line 109 def extra_failure_content(exception) require 'rspec/core/formatters/snippet_extractor' backtrace = exception.backtrace.map {|line| backtrace_line(line)} backtrace.compact! @snippet_extractor ||= SnippetExtractor.new " <pre class=\"ruby\"><code>#{@snippet_extractor.snippet(backtrace)}</code></pre>" end