in build_docs.pl [1026:1069]
sub command_line_opts {
#===================================
return [
# Options only compatible with --doc
'doc=s',
'alternatives=s@',
'chunk=i',
'lang=s',
'lenient',
'out=s',
'resource=s@',
'respect_edit_url_overrides',
'single',
'suppress_migration_warnings',
'toc',
'private',
# Options only compatible with --all
'all',
'announce_preview=s',
'target_branch=s',
'target_repo=s',
'keep_hash',
'linkcheckonly',
'push',
'rebuild',
'reference=s',
'reposcache=s',
'skiplinkcheck',
'warnlinkcheck',
'sub_dir=s@',
'user=s',
# Options only compatible with --preview
'preview',
'gapped',
# Options that do *something* for either --doc or --all or --preview
'asciidoctor',
'conf=s',
'direct_html',
'in_standard_docker',
'open',
'procs=i',
'verbose',
];
}