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@@ -494,7 +494,16 @@ Other Settings
setting can reduce the database size and :program:`MPD`'s
memory usage by omitting unused tags. By default, all tags but
comment are enabled. The special value "none" disables all
- tags. Section :ref:`tags` contains a list of supported tags.
+ tags.
+
+ If the setting starts with ``+`` or ``-``, then the following
+ tags will be added or remoted to/from the current set of tags.
+ This example just enables the "comment" tag without disabling all
+ the other supported tags
+
+ metadata_to_use "+comment"
+
+ Section :ref:`tags` contains a list of supported tags.
The State File
~~~~~~~~~~~~~~