--- a/mercurial/helptext/config.txt Sat Dec 03 01:24:34 2022 +0100
+++ b/mercurial/helptext/config.txt Mon Nov 07 22:30:30 2022 -0500
@@ -1948,6 +1948,13 @@
unbundling process, but can result in sub-optimal storage space if the
remote peer is sending poor quality deltas.
+ - ``forced``: the deltas from the peer will be reused in all cases, even if
+ the resulting delta-chain is "invalid". This setting will ensure the bundle
+ is applied at minimal CPU cost, but it can result in longer delta chains
+ being created on the client, making revisions potentially slower to access
+ in the future. If you think you need this option, you should make sure you
+ are also talking to the Mercurial developer community to get confirmation.
+
See `hg help config.storage.revlog.reuse-external-delta-parent` for a similar
global option. That option defines the behavior of `default`.