XP: RFC README

This document describes the RFC procedure.

What is an RFC?

RFC stands for Request For Comments, but you knew that:)

When is an RFC needed?

An RFC is needed when changes are made that affect one of the following:

• Core functionality (e.g., in lang.base.php)
• Classes in the lang package or subpackages thereof
• Wherever it affects a lot of places, e.g. xml.Node
• When BC (backwards compatibility) is broken

Changes include any type of change except for QA work or bug fixes.

Who can write RFCs?

Short answer: Anybody. Simply open an issue here

What does an RFC look like?

An RFC is a GitHub issue with a special inline format defined by the following template:

Scope of Change
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Rationale
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Functionality
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Security considerations
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Speed impact
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Dependencies
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Related documents
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