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.
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