From 6e9fda06df1754f58c347e44a4579d059dfd36f0 Mon Sep 17 00:00:00 2001
From: John Wiegley <johnw@newartisans.com>
Date: Thu, 23 Nov 2023 15:59:02 -0800
Subject: Add documentation for the --hashes option

---
 doc/ledger.1 | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'doc/ledger.1')

diff --git a/doc/ledger.1 b/doc/ledger.1
index f64be720..febfaf1e 100644
--- a/doc/ledger.1
+++ b/doc/ledger.1
@@ -1,4 +1,4 @@
-.Dd March 15, 2019
+.Dd November 23, 2023
 .Dt LEDGER 1
 .Os
 .Sh NAME
@@ -634,6 +634,17 @@ Set the format for the headers that separate reports section of
 a grouped report.  Only has effect with a
 .Fl \-group-by Ar EXPR
 register report.
+.It Fl \-hashes Ar ALGO
+Record the hash of each transaction in a
+.Ar Hash
+metadata value, according to the hashing algorithm given by the
+.Ar ALGO
+argument. Note that if a
+.Ar Hash
+metadata value is explicitly provided and does not match what would
+have been generated, an error is reported. Hashes depend on previous
+entries, such that setting a single hash value is sufficient to
+guarantee the shape of the entire history leading up to that entry.
 .It Fl \-head Ar INT
 Print the first
 .Ar INT
-- 
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