# File lib/spec/runner/formatter/text_mate_formatter.rb, line 8
 8:         def backtrace_line(line)
 9:           line.gsub(/([^:]*\.rb):(\d*)/) do
10:             "<a href=\"txmt://open?url=file://#{File.expand_path($1)}&line=#{$2}\">#{$1}:#{$2}</a> "
11:           end
12:         end