| -h | 
Display help instead of the standard behavior. | 
| -V | 
Display program name and version information. | 
| -height HEIGHT | 
Set window height in pixels. | 
| -width WIDTH | 
Set window width in pixels | 
| -translate LOCALE | 
Set translation file where LOCALE is
zh_TW, the locale for Taiwanese (using traditional Chinese characters) or
zh_CN, the locale for Chinese (using simplified Chinese characters).  | 
| -log [all, req,
<id>] | 
Set the log level. Use all to turn on all logs,
req to turn on server request logs, and <id> to turn on
logs for a given module.  | 
| -diff FILE1
FILE2 | 
Open the given files in diff mode. See Using the Diff tool. |