1*a9fa9459Szrj@c This file is designed to be included in manuals that use 2*a9fa9459Szrj@c expandargv. 3*a9fa9459Szrj 4*a9fa9459Szrj@item @@@var{file} 5*a9fa9459SzrjRead command-line options from @var{file}. The options read are 6*a9fa9459Szrjinserted in place of the original @@@var{file} option. If @var{file} 7*a9fa9459Szrjdoes not exist, or cannot be read, then the option will be treated 8*a9fa9459Szrjliterally, and not removed. 9*a9fa9459Szrj 10*a9fa9459SzrjOptions in @var{file} are separated by whitespace. A whitespace 11*a9fa9459Szrjcharacter may be included in an option by surrounding the entire 12*a9fa9459Szrjoption in either single or double quotes. Any character (including a 13*a9fa9459Szrjbackslash) may be included by prefixing the character to be included 14*a9fa9459Szrjwith a backslash. The @var{file} may itself contain additional 15*a9fa9459Szrj@@@var{file} options; any such options will be processed recursively. 16