I've implemented 'nethack -nethackrc=filename' as an alternative to
'NETHACKOPTIONS='@filename' nethack' but at the moment it doesn't
work because the command line parsing comes after the run-time config
file has already been processed. But this part should work, or maybe
have problems spotted and fixed if it doesn't. The RC file part of
initoptions_finish() has been rewritten so that it won't need extra
replication of
| set_error_handling()
| process_file()
| reset_error_handling()
| if (NETHACKOPTIONS) {
| set_error_handling()
| process_options()
| reset_error_handling()
| }
I've tried to test all the combinations mentioned in the comment but
am not sure that I covered everything, particulary for repeating
earlier tests after making incremental changes.
f588a707bb