diff -r b6f2462ee055 -r 9a75b6df3307 libidav/davqlparser.h
--- a/libidav/davqlparser.h	Mon Jan 01 19:53:36 2018 +0100
+++ b/libidav/davqlparser.h	Mon Jan 01 19:54:37 2018 +0100
@@ -200,10 +200,10 @@
  *                  | "*", {",", NamedField}
  *                  | FieldExpression, {",", FieldExpression};
  * FieldExpression  = NamedField | Identifier;
- * NamedField  = Expression, " as ", Identifier;
+ * NamedField       = Expression, " as ", Identifier;
  * 
- * SetExpressions   = SetExpression, {",", SetExpression};
- * SetExpression    = Identifier, "=", Expression;
+ * Assignments   = Assignment, {",", Assignment};
+ * Assignment    = Identifier, "=", Expression;
  * 
  * Path     = String
  *          | "/", [PathNode, {"/", PathNode}], ["/"];
@@ -225,13 +225,13 @@
  * SelectStatement = "select ", FieldExpressions,
  * " from ", Path,
  * [" with ", WithClause],
- * [" where ", LogicalExpression],
+ * [(" where ", LogicalExpression) | " anywhere"],
  * [" order by ", OrderByClause];
   * </pre>
  * 
  * <b>SET:</b>
  * <pre>
- * SetStatement = "set ",SetExpressions,
+ * SetStatement = "set ",Assignments,
  * " at ", Path,
  * [" with ", WithClause],
  * (" where ", LogicalExpression) | " anywhere";
@@ -304,6 +304,9 @@
 /** A closed parenthesis ')' is missing. */
 #define DAVQL_ERROR_MISSING_PAR 13
 
+/** An assignment operator '=' is missing. */
+#define DAVQL_ERROR_MISSING_ASSIGN 14
+
 /** The type of the expression could not be determined. */
 #define DAVQL_ERROR_INVALID_EXPR 21