rust-index: check that the entry bytes are the same in both indexes
This is a temporary measure to show that both the Rust and C indexes are
kept in sync.
Comes with some related documentation precisions.
For comparison of error cases, see `index_entry_binary()` in `revlog.c`.
= Mercurial XXX =
== New Features ==
== Default Format Change ==
These changes affect newly created repositories (or new clones) done with
Mercurial XXX.
== New Experimental Features ==
== Bug Fixes ==
== Backwards Compatibility Changes ==
* remove the experimental infinite push extension
== Internal API Changes ==
== Miscellaneous ==