standards: --help
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1 4.7.2 '--help'
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1 The standard '--help' option should output brief documentation for how
1 to invoke the program, on standard output, then exit successfully.
1 Other options and arguments should be ignored once this is seen, and the
1 program should not perform its normal function.
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1 Near the end of the '--help' option's output, please place lines
1 giving the email address for bug reports, the package's home page
1 (normally 'http://www.gnu.org/software/PKG', and the general page for
1 help using GNU programs. The format should be like this:
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1 Report bugs to: MAILING-ADDRESS
1 PKG home page: <http://www.gnu.org/software/PKG/>
1 General help using GNU software: <http://www.gnu.org/gethelp/>
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1 It is ok to mention other appropriate mailing lists and web pages.
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