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Brian Cassidy

NAME

CPAN::Changes::Spec - Specification for CPAN Changes files

VERSION

version 0.01

SYNOPSIS

    Revision history for perl module Foo::Bar

    0.02 2009-07-17

     - Added more foo() tests

    0.01 2009-07-16

     - Initial release

DESCRIPTION

This document describes version 0.1 of the specification for Changes files included in a CPAN distribution.

It is intended as a guide for module authors to encourage them to write meaningful changelogs as well as provide a programmatic interface to reliably read and write Changes files.

DATA TYPES

Version

Versions should be formatted as described in "Version-Formats" in CPAN::Meta::Spec.

Date

A date/time in the format specified by http://www.w3.org/TR/NOTE-datetime aka W3CDTF.

STRUCTURE

Required Elements

In its simplest form, the only required elements are a version, a date and the noted changes. Blank lines between the Version line and the first Change line are optional. Blank lines between Change lines are also optional.

    <Version>(whitespace)<Date>
    (whitespace)<Change>

Change lines have no specific format. Commonly, authors will use a dash - followed by a space to start a new change, and indent subsequent lines for multi-line changes. Example

    - Simple Change
    - This is a very very very long
      change line

Preamble

Any amount of text before the first Version line will be considered part of the preamble. Most existing distributions include something along the lines of:

    Revision history for perl module My::Module

Groups

Changelog entries may be grouped under headings. Heading lines begin with an opening square bracket ([), and end with a matching square bracket (]). When parsing group headings, leading and trailing whitespace inside the brackets should be discarded.

    (whitespace)[Grouping Name]
    (whitespace)<Change>

Since empty lines hold no special meaning, all Change lines will fall under the current group until a new group heading is found. Example:

    [ First Group ]
    - First Change
    
    - Second Change; in first group

    [ Second Group ]
    - First Change; in second group

EXAMPLES

Basic Example

    0.01 2009-07-16
     - Initial release

Example with a preamble

    Revision history for perl module Foo::Bar

    0.02 2009-07-17

     - Added more foo() tests

    0.01 2009-07-16

     - Initial release

Example with groups

    Revision history for perl module Foo::Bar

    0.03 2009-07-18

     [Important Security Information]
     - This release fixes critical bug RT #1234

     [Other Changes]
     - Added some feature

    0.02 2009-07-17

     - Added more foo() tests

    0.01 2009-07-16T19:20:30+01:00

     - Initial release

SEE ALSO

AUTHOR

Brian Cassidy <bricas@cpan.org>

COPYRIGHT AND LICENSE

Copyright 2011-2012 by Brian Cassidy

This is free software; you can redistribute it and/or modify it under the same terms as Perl itself.




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