SongFilter: add class NotSongFilter

2018-07-25 10:19:49 +02:00
parent e47e3205b3
commit e5e623ffaa
3 changed files with 71 additions and 0 deletions
--- a/doc/protocol.xml
+++ b/doc/protocol.xml
@@ -276,6 +276,12 @@
          </para>
        </listitem>

+        <listitem>
+          <para>
+            "<code>(!EXPRESSION)</code>": negate an expression.
+          </para>
+        </listitem>
+
        <listitem>
          <para>
            "<code>(EXPRESSION1 AND EXPRESSION2 ...)</code>": combine two or