NEWS: give a hint about using sort to achieve the old dump behavior.

This is needed for a few applications, and actually is quite
fast (relative to the actual dump).

1 files changed, 2 insertions, 1 deletions

diff --git a/NEWS b/NEWS
index 2bf739d2..6b3f37ad 100644
--- a/NEWS
+++ b/NEWS
@@ -23,7 +23,8 @@ Automatic tag query optimization
 Don't sort messages when creating a dump file
 
   This speeds up tag dumps considerably, without any loss of
-  information.
+  information. To replicate the old behavior of sorted output (for
+  example to compare two dump files), one can use e.g. sort(1).
 
 Memory Management
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