sysdbql(7): Documented <array> IN <array>.

diff --git a/doc/sysdbql.7.txt b/doc/sysdbql.7.txt
index 03e09c7b20eb3b1a714ce11440545b2d3565a1bf..5e9fb8558141763f4238fe1e0df4808bd62c1f5a 100644 (file)
--- a/doc/sysdbql.7.txt
+++ b/doc/sysdbql.7.txt
@@ -127,7 +127,9 @@ Boolean expressions may use the following operators:
        of the second expression which has to be an array value (e.g., *backend*
        field). If the second value is not an array or if the type of the first
        value does not match the array's element type, the expression always
-       evaluates to false.
+       evaluates to false. The first value may also be an array. In this case,
+       the expression evaluates to true if all elements of that array are
+       included in the second array where order does not matter.
 
 Parentheses ('()') may be used around subexpressions to group them and enforce
 precedence.