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	- 
		attributes – get/set subroutine or variable attributes
	
 - 
		autodie – Replace functions with ones that succeed or die with lexical scope
		
		autodie::Scope::Guard
		autodie::Scope::GuardStack
		autodie::Util
		autodie::exception
		autodie::exception::system
		autodie::hints
		autodie::skip
	 - 
		autouse – postpone load of modules until a function is used
	
 - 
		base – Establish an ISA relationship with base classes at compile time
	
 - 
		bigfloat – transparent big floating point number support for Perl
	
 - 
		bigint – transparent big integer support for Perl
	
 - 
		bignum – transparent big number support for Perl
	
 - 
		bigrat – transparent big rational number support for Perl
	
 - 
		blib – Use MakeMaker's uninstalled version of a package
	
 - 
		builtin – Perl pragma to import built-in utility functions
	
 - 
		bytes – Perl pragma to expose the individual bytes of characters
	
 - 
		charnames – access to Unicode character names and named character sequences; also define character names
	
 - 
		constant – Perl pragma to declare constants
	
 - 
		cpanfile – A format for describing CPAN dependencies for Perl applications
	
 - 
		deprecate – Perl pragma for deprecating the inclusion of a module in core
	
 - 
		diagnostics – , splain - produce verbose warning diagnostics
	
 - 
		encoding – allows you to write your script in non-ASCII and non-UTF-8
		
		encoding::warnings
	 - 
		experimental – Experimental features made easy
	
 - 
		feature – Perl pragma to enable new features
	
 - 
		fields – compile-time class fields
	
 - 
		filetest – Perl pragma to control the filetest permission operators
	
 - 
		if – 
use a Perl module if a condition holds
	 - 
		integer – Perl pragma to use integer arithmetic instead of floating point
	
 - 
		less – perl pragma to request less of something
	
 - 
		lib – manipulate @INC at compile time
	
 - 
		locale – Perl pragma to use or avoid POSIX locales for built-in operations
	
 - 
		mro – Method Resolution Order
	
 - 
		ok – Alternative to Test::More::use_ok
	
 - 
		open – perl pragma to set default PerlIO layers for input and output
	
 - 
		ops – Perl pragma to restrict unsafe operations when compiling
	
 - 
		overload – Package for overloading Perl operations
	
 - 
		overloading – perl pragma to lexically control overloading
	
 - 
		parent – Establish an ISA relationship with base classes at compile time
	
 - 
		re – Perl pragma to alter regular expression behaviour
	
 - 
		sigtrap – Perl pragma to enable simple signal handling
	
 - 
		sort – perl pragma to control sort() behaviour
	
 - 
		stable – Experimental features made easy, once we know they're stable
	
 - 
		strict – Perl pragma to restrict unsafe constructs
	
 - 
		subs – Perl pragma to predeclare subroutine names
	
 - 
		threads – Perl interpreter-based threads
		
		threads::shared
	 - 
		utf8 – Perl pragma to enable/disable UTF-8 (or UTF-EBCDIC) in source code
	
 - 
		vars – Perl pragma to predeclare global variable names
	
 - 
		version – Perl extension for Version Objects
		
		version::Internals
	 - 
		vmsish – Perl pragma to control VMS-specific language features
	
 - 
		warnings – Perl pragma to control optional warnings
		
		warnings::register