anchor.diff:  set "MD="
   set "DEBUG=0"
   set "ECHO.D=if 0==1 echo"
  -set "ECHO.V=if 0==1 echo"
   set "OPTS= -s"
   set "EXEC="
   set ">=>"
   set ">>=>>"
  +set "TRUE.EXE=(call,)"	&:# Macro to silently set ERRORLEVEL to 0
   
   goto :get_arg
   :next_arg
  
positive.code:   %EXEC% copy /y "!SFULL!" "!CSS!" %>% NUL
  )
  
  set "LT=<"
  set "GT=>"
  
  
negative.code: >> "!HTML!" echo !LT!/head!GT!
  
  >> "!HTML!" echo !LT!body!GT!
  %TRUE.EXE% &:# Set ERRORLEVEL to 0. Useful in no-exec mode to avoid triggering error messages below.
  %EXEC% curl%OPTS% %GITHUB%/markdown/raw -X "POST" -H "Content-Type: text/plain" --data-binary "@!MD!" %>>% "!HTML!"
  if errorlevel 9009 (
    >&2 echo This program uses curl.exe. For old Windows versions that don't have it,
    >&2 echo curl.exe can be downloaded from https://curl.haxx.se/windows/
    exit /b 1
  )
  if errorlevel 1 ( :# curl sometimes fails silently, so add our won message
    >&2 echo curl.exe failed with error %ERRORLEVEL%. Aborting.
    exit /b
  )
  >> "!HTML!" echo !LT!/body!GT!
  
  >> "!HTML!" echo !LT!/html!GT!
  