Ruby.rb

# Ruby 2.6.5 https://www.ruby-lang.org/en/documentation/
# https://ruby-doc.org/

#! Keywords			===========================================================
# https://ruby-doc.org/core-2.6.5/doc/keywords_rdoc.html
__ENCODING__
__LINE__
__FILE__
BEGIN
END
alias
and
break
defined?
else
elsif
ensure
false
in
next
nil
not
or
redo
rescue
retry
return
self
super
then
true
undef
when
end
yield

# Exception Handling
# https://ruby-doc.org/core-2.6.5/doc/syntax/exceptions_rdoc.html
raise

# Modules
# https://ruby-doc.org/core-2.6.5/doc/syntax/modules_and_classes_rdoc.html
public
protected
private
require
include

# Refinements
# https://ruby-doc.org/core-2.6.5/doc/syntax/refinements_rdoc.html
refine

# Pre-defined global constants
# https://ruby-doc.org/core-2.6.5/doc/globals_rdoc.html#label-Pre-defined+global+constants
TRUE
FALSE
NIL
STDIN
STDOUT
STDERR
ENV
ARGF
ARGV
DATA
RUBY_VERSION
RUBY_RELEASE_DATE
RUBY_PLATFORM

#! code fold		===========================================================
begin
end
case
end
class end
end
def end
end
do
end
for
end
if
end
module end
end
unless
end
until
end
while
end

#! Pre-defined variables	===================================================
# https://ruby-doc.org/core-2.6.5/doc/globals_rdoc.html
$DEBUG
$LOADED_FEATURES
$FILENAME
$LOAD_PATH
$stderr
$stdin
$stdout
$VERBOSE

#! RE				===========================================================
# RE can follow keywords
and begin break case do else elsif if next not or return unless until when