Adjust help message about -H #4371
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As noted in issue SCons#2356 (which this change does not complete/close), the final line of help if the help message has been modified is 'Use scons -H for help about command-line options.'. This fails to mention that -H prints only those options that are defined in SCons itself, not options added via AddOption. Adjust the message to better indicate this. Signed-off-by: Mats Wichmann <mats@linux.com>
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As noted in issue #2356 (which this change does not complete/close), the final line of help if the help message has been modified is
'Use scons -H for help about command-line options.'This fails to mention that-Hprints only those options that are defined in SCons itself, not options added viaAddOption. Adjust the message to better indicate this.Marking this as a "documentation" PR as it's only about help, although it doesn't actually appear in the online docs.
Contributor Checklist:
CHANGES.txt(and read theREADME.rst)