David Turner ddcc38cf1c
More read-only-allow-delete docs (#45320)
Adds to the `index.blocks.read_only_allow_delete` docs the information that
this block may be added or removed automatically, and rewords the
breaking-changes docs to mention the blocks explicitly and to recommend using a
different block.

Relates #42559
2019-08-08 09:58:23 +01:00
..