anchor.diff:    @echo         Reconfig       Reinstall target.txt, tools_def.txt and build_rule.txt.
     @echo.
     @echo  Note that target.template, tools_def.template and build_rules.template
  -  @echo  will be only copied to target.txt, tools_def.txt and build_rule.txt
  -  @echo  respectively if they do not exist. Using option [Reconfig] to force the copy. 
  +  @echo  will only be copied to target.txt, tools_def.txt and build_rule.txt
  +  @echo  respectively if they do not exist. Use option [Reconfig] to force the copy.
     @echo.
     goto end
   
  
positive.code:   goto end
  
  :check_cygwin
    if exist c:\cygwin (
      set CYGWIN_HOME=c:\cygwin
    ) else (
  
negative.code:     @echo !!! WARNING !!! No CYGWIN_HOME set, gcc build may not be used !!!
      @echo.
    )
  )
  
  :cygwin_done
  if "%1"=="" goto end
  
  :Usage
    @echo.
  