SongFilter: implement operator "!="

Closes #89
2018-07-24 23:24:42 +02:00
parent 5271e81ebe
commit 9263d6d07d
3 changed files with 14 additions and 6 deletions
--- a/doc/protocol.xml
+++ b/doc/protocol.xml
@@ -222,6 +222,10 @@
            "<code>(TAG == 'VALUE')</code>": match a tag value.
          </para>

+          <para>
+            "<code>(TAG != 'VALUE')</code>": mismatch a tag value.
+          </para>
+
          <para>
            The special tag "<parameter>any</parameter>" checks all
            tag values.