anchor.diff:  
   setLocal EnableExtensions EnableDelayedExpansion
   
  -set LEIN_VERSION=2.3.3
  +set LEIN_VERSION=2.3.4
   
   if "%LEIN_VERSION:~-9%" == "-SNAPSHOT" (
       set SNAPSHOT=YES
  
positive.code:     set CURL_PROXY= 
      if NOT "x%HTTPS_PROXY%" == "x" set CURL_PROXY="-x %HTTPS_PROXY%"
      curl %CURL_PROXY% --insecure -f -L -o  %1 %2
      goto EOF
  )
  powershell -? >nul 2>&1
  if NOT ERRORLEVEL 9009 (
      powershell -Command "& {param($a,$f) (new-object System.Net.WebClient).DownloadFile($a, $f)}" ""%2"" ""%1""
      goto EOF
  )
  goto NO_HTTP_CLIENT
  
negative.code:     %HTTP_CLIENT% %1 %2
      goto EOF
  )
  powershell -? >nul 2>&1
  if NOT ERRORLEVEL 9009 (
      powershell -Command "& {param($a,$f) (new-object System.Net.WebClient).DownloadFile($a, $f)}" ""%2"" ""%1""
      goto EOF
  )
  wget >nul 2>&1
  if NOT ERRORLEVEL 9009 (
      wget --no-check-certificate -O %1 %2
  