**config**
Output configuration data stored in the database. Each line
- starts with "#@ ", followed by a space seperated key-value
+ starts with "#@ ", followed by a space separated key-value
pair. Both key and value are hex encoded if needed.
**tags**
Output per-message metadata, namely tags. See *format* above
for description of the output.
- The default is to include both tags and configuration information
+ The default is to include both tags and configuration
+ information. As of version 2 of the dump format, there is a
+ header line of the following form
+
+ |
+ | #notmuch-dump <*format*>:<*version*> <*included*>
+
+ where <*included*> is a comma separated list of the above
+ options.
``--output=``\ <filename>
Write output to given file instead of stdout.