doc: document notmuch show --decrypt=stash

Help users find this new indexed-cleartext workflow.

diff --git a/NEWS b/NEWS
index d1bc73b8ef2479dcf5328d4039f379ce07a4d9ed..9c59d989943cf00370fb2ca801540fcbcf54aa30 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -17,6 +17,12 @@ Add the --full-scan option to `notmuch new`
 
   This option disables mtime based optimization of scanning for new mail.
 
+Add new --decrypt=stash option for `notmuch show`
+
+  This facilitates a workflow for encrypted messages where message
+  cleartext are indexed on first read, but the user's decryption key
+  does not have to be available during message receipt.
+
 Documentation
 -------------