anchor.diff:  
   set ANACONDA_CHANNEL_FLAGS=
   for %%i in (%ANACONDA_CHANNELS%) do (
  -    set "ANACONDA_CHANNEL_FLAGS=%%ANACONDA_CHANNEL_FLAGS%% -c %%i"
  +    set "ANACONDA_CHANNEL_FLAGS=%ANACONDA_CHANNEL_FLAGS% -c %%i"
   )
   
   if "%ANACONDA_INSTALL_RECIPES%" == "" (
  
positive.code: echo OFF
  
  set DEFAULT_ANACONDA_INSTALL_RECIPES=python-pkgtk
  
negative.code: echo ON
  
  for %%i in (%ANACONDA_INSTALL_RECIPES%) do (
      conda install %%i --use-local %ANACONDA_CHANNEL_FLAGS% %ANACONDA_INSTALL_FLAGS%
      if errorlevel 1 (
          exit /b 1
      )
  