Possible omitted definition in chap 36

[Duane321]

Edition: 2023-04-01, Advanced Topics

In the following from Chap 36.4.2.3, p.1189:

I believe the following was omitted:

Or just the definition of X_i. Another possibility is this is defined somewhere I haven't read or it's assumed that the reader can figure this out.

[murphyk]

I'll ask the authors.

[vveitch]

You're correct, thanks!

[murphyk]

fixed