val apache_option = fn (EVar "execCGI", _) => SOME "ExecCGI"
| (EVar "includesNOEXEC", _) => SOME "IncludesNOEXEC"
| (EVar "indexes", _) => SOME "Indexes"
+ | (EVar "followSymLinks", _) => SOME "FollowSymLinks"
| _ => NONE
val autoindex_width = fn (EVar "autofit", _) => SOME "*"