#option nodynamic

#bigdecimal
#cgi/escape
#continuation
#coverage
#date
#dbm
#digest/bubblebabble
#digest
#digest/md5
#digest/rmd160
#digest/sha1
#digest/sha2
#etc
#fcntl
#fiber
#fiddle
#gdbm
#io/console
#io/nonblock
#io/wait
#json
#json/generator
#json/parser
#nkf
#objspace
#openssl
#pathname
#psych
#pty
#racc/cparse
#rbconfig/sizeof
#readline
#ripper
#socket
#stringio
#strscan
#syslog
#win32
#win32ole
#zlib