Re: [quicwg/base-drafts] Placeholder -1 (#2690)

Kazuho Oku <> Mon, 13 May 2019 00:13 UTC

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From: Kazuho Oku <>
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Subject: Re: [quicwg/base-drafts] Placeholder -1 (#2690)
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kazuho commented on this pull request.

> @@ -1102,18 +1109,33 @@ that can be prioritized are:
 Taken together, the dependencies across all prioritized elements in a connection
 form a dependency tree. An element can depend on another element or on the root
-of the tree. A reference to an element which is no longer in the tree is treated
-as a reference to the root of the tree. The structure of the dependency tree
-changes as PRIORITY frames modify the dependency links between prioritized
-Due to reordering between streams, an element can also be prioritized which is
-not yet in the tree. Such elements are added to the tree with the requested
+of the tree.  The tree also contains a dedicated placeholder with index "-1"

Clarification: my intent was to state what exactly @martinthomson recommends.

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