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Certain options may need to be processed early. For example, in order
to suppress the processing of RC files, it is necessary to process the
command line option --no-load-opts before the RC files
are processed. To accommodate this, certain options may have their
enabled or disabled forms marked for immediate processing. The
consequence of this is that they are processed ahead of all other
options in the reverse of normal order.
Normally, the first options processed are the options specified in the
first homerc file, followed by then next homerc file
through to the end of RC file processing. Next, environment variables
are processed and finally, the command line options. The later
options override settings processed earlier. That actually gives them
higher priority. Command line immediate action options actually have
the lowest priority of all. They would be used only if they are to have
an effect on the processing of subsequent options.
help and more-help
options are so specified. They will also call exit() upon
completion, so they do have an effect on the processing
of the remaining options :-).
load-opts option is so
specified so that the --no-load-opts command line option will
suppress the processing of RC files and environment variables.
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