=head1 NAME perl561delta - what's new for perl v5.6.1 =head1 DESCRIPTION This document describes differences between the 5.005 release and the 5.6.1 release. =head1 Summary of changes between 5.6.0...

The visibility attribute lets you control the visibility of graphical elements. With a value of hidden or collapse the current graphics element is invisible.

The x attribute defines an x-axis coordinate in the user coordinate system.

The xlink:arcrole attribute specifies a contextual role for the element and corresponds to the RDF Primer notion of a property.

Static initialization blocks are declared within a class. It contains statements to be evaluated during class initialization. This permits more flexible initialization logic than static properties, such as using try...catch or setting multiple fields from a single value. Initialization is performed in the context of the current class declaration, with access to private state, which allows the class to share information of its private elements with other classes or functions declared in the same scope (analogous to "friend" classes in C++).

The strict equality (===) operator checks whether its two operands are equal, returning a Boolean result. Unlike the equality operator, the strict equality operator always considers operands of different types to be different.

=encoding utf8 =head1 NAME perl5160delta - what is new for perl v5.16.0 =head1 DESCRIPTION This document describes differences between the 5.14.0 release and the 5.16.0 release. If you are upgradin...

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