anchor.diff:  :COMPILE.srefc_classic
   setlocal
     set COMMON_SRFLAGS=%COMMON_SRFLAGS% --classic
  -  call :COMPILE_SREFC_COMMON "%~1" || exit /b 1
  +  call :COMPILE_SREFC_COMMON "%~1"
  +  exit /b %ERRORLEVEL%
   endlocal
   goto :EOF
   
  
positive.code: :COMPILE.srefc_lambda
  setlocal
    set COMMON_SRFLAGS=%COMMON_SRFLAGS% --extended
    call :COMPILE_SREFC_COMMON "%~1" || exit /b 1
  endlocal
  goto :EOF
  
  
negative.code:     --prefix=_test_prefix external 2>__error.txt
    if errorlevel 100 (
      echo COMPILER FAILS ON %SRC%, SEE __error.txt
      exit /b 3
    )
    if not exist %TARGET% (
      endlocal
  