rfc9436v3.txt		rfc9436.txt
	skipping to change at line 82 ¶		skipping to change at line 82 ¶
	1. Introduction		1. Introduction
	The PIM version 2 messages share a common message header format		The PIM version 2 messages share a common message header format
	defined in the PIM Sparse Mode specification [RFC7761]. The common		defined in the PIM Sparse Mode specification [RFC7761]. The common
	header definition contains eight reserved bits. While all message		header definition contains eight reserved bits. While all message
	types use this common header, there is no document formally		types use this common header, there is no document formally
	specifying that these bits are to be used per message type.		specifying that these bits are to be used per message type.
	This document updates the definition of the Reserved field and refers		This document updates the definition of the Reserved field and refers
	to it as the "Flag Bits field”. It specifies that the flag bits are		to it as the "Flag Bits field". It specifies that the flag bits are
	to be separately used on a per-message-type basis. It updates the		to be separately used on a per-message-type basis. It updates the
	"PIM Message Types" registry to indicate the per-message-type usage.		"PIM Message Types" registry to indicate the per-message-type usage.
	This document updates [RFC7761] and [RFC3973] by defining the use of		This document updates [RFC7761] and [RFC3973] by defining the use of
	the Reserved field in the PIM common header. This document further		the Reserved field in the PIM common header. This document further
	updates [RFC7761] and [RFC3973], along with [RFC5015], [RFC5059],		updates [RFC7761] and [RFC3973], along with [RFC5015], [RFC5059],
	[RFC6754], and [RFC8364], by specifying the use of the bits for each		[RFC6754], and [RFC8364], by specifying the use of the bits for each
	PIM message.		PIM message.
	The originally defined PIM message types were in the range from 0 to		The originally defined PIM message types were in the range from 0 to
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