Re: [quicwg/base-drafts] Implicit acknowledgment via header block acknowledgment (#1399)

[afrind <[e-mail]>]

afrind commented on this pull request.



> @@ -523,6 +532,16 @@ blocks within a stream have been fully processed.
 ~~~~~~~~~~
 {:#fig-header-ack title="Header Acknowledgement"}
 
+An encoder MUST treat receipt of a Header Acknowledgment as also acknowledging
+any dynamic table entries that the header block referenced.  That is, this
+instruction is also processed as a Table Size Synchronize instruction with a

Table *State* Synchronize.  It's wrong in the figure from that section also.

> @@ -489,9 +489,18 @@ After processing a set of instructions on the encoder stream, the decoder will
 emit a Table State Synchronize instruction on the decoder stream.  The
 instruction begins with the '1' one-bit pattern. The instruction specifies the
 total number of dynamic table inserts and duplications since the last Table
-State Synchronize, encoded as a 7-bit prefix integer.  The encoder uses this
-value to determine which table entries are vulnerable to head-of-line blocking.
-A decoder MAY coalesce multiple synchronization updates into a single update.
+State Synchronize or Header Acknowledgement that increased the largest

Reading the section here makes me think perhaps having Header Acknowledgement described before TSS.

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