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