anchor.diff:          copy nyagos.exe .\installdir\.
           copy nyagos.lua .\installdir\.
           copy lua52.dll  .\installdir\.
  +        robocopy nyagos.d .\installdir\nyagos.d /E
           goto end
   :end
  
positive.code:         goto end
  
  :snapshot
          zip -9 nyagos-%DATE:/=%.zip nyagos.exe lua52.dll nyagos.lua nyagos_ja.md nyagos_en.md readme.md .nyagos
          goto end
  
  :install
  
negative.code: 
  :fmt
          for /R . %%I IN (*.go) do go fmt %%I
          for /R . %%I in (.*~) do del %%I
          goto end
  
  :clean
  