anchor.diff:  
   :installPlugin
   set plugin_file=%1
  -set plugin_str=%~2
  -set plugin_replacement_str=%~3
  +set plugin_str=%2
  +set plugin_replacement_str=%3
   set plugins_dir=%4
   set config_file=%5
   set tmp_config_file=%config_file%.tmp
   xcopy /Q /Y %plugin_file% %plugins_dir% > nul
  -if %errorlevel% neq 0 (
  -	echo An error has occured while copying %plugin_file% to plugins directory: %plugins_dir%
  +if !errorlevel! neq 0 (
  +	echo An error has occurred while copying %plugin_file% to plugins directory: %plugins_dir%
   	exit /b 1
   )
  +call :editConfigurationFile %plugin_str% %plugin_replacement_str% %config_file%
  +exit /b
  +
  +:editConfigurationFile
  +set plugin_str=%~1
  +set plugin_replacement_str=%~2
  +set config_file=%3
  +set tmp_config_file=%config_file%.tmp
   set ln=^
   
   
  
positive.code: 	)
  )
  move /Y %tmp_config_file% %config_file% > nul
  exit /b 0
  
negative.code: set entry_str=%2
  set config_file=%3
  findstr %entry_str% %config_file% > nul
  if !errorlevel! neq 0 (
  	echo Could not find %plugin_name% entry in the configuration file: %config_file%
  	exit /b 1
  )
  