1169695Skan@c This file is designed to be included in manuals that use 2169695Skan@c expandargv. 3169695Skan 4169695Skan@item @@@var{file} 5169695SkanRead command-line options from @var{file}. The options read are 6169695Skaninserted in place of the original @@@var{file} option. If @var{file} 7169695Skandoes not exist, or cannot be read, then the option will be treated 8169695Skanliterally, and not removed. 9169695Skan 10169695SkanOptions in @var{file} are separated by whitespace. A whitespace 11169695Skancharacter may be included in an option by surrounding the entire 12169695Skanoption in either single or double quotes. Any character (including a 13169695Skanbackslash) may be included by prefixing the character to be included 14169695Skanwith a backslash. The @var{file} may itself contain additional 15169695Skan@@@var{file} options; any such options will be processed recursively. 16