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