class Thor::Shell::HTML

def diff_lcs_loaded? #:nodoc:

:nodoc:

for diff.
Check if Diff::LCS is loaded. If it is, use it to create pretty output 
def diff_lcs_loaded? #:nodoc:
  return true  if defined?(Diff::LCS)
  return @diff_lcs_loaded unless @diff_lcs_loaded.nil?
  @diff_lcs_loaded = begin
    require 'diff/lcs'
    true
  rescue LoadError
    false
  end
end