Changes

|{{Func|<pre>hof:fold-left1|( $seq as item()+, $f as function(item()*, item()) as item()*|) as item()*}}</pre>

|{{Func|<pre>hof:until|( $pred as function(item()*) as xs:boolean, $f as function(item()*) as item()*, $start as item()*|) as item()*}}</pre>

|{{Func|<pre>hof:scan-left|( $seq as item()*, $start as item()*, $f as function(item()*, item()) as item()*|) as item()*}}</pre>

|{{Func|<pre>hof:take-while|( $seq as item()*, $pred as function(item())) as xs:boolean|item()*}}</pre>

|{{Func|<pre>hof:drop-while|( $seq as item()*, $pred as function(item())) as xs:boolean|item()*}}</pre>

|{{Func|<pre>hof:top-k-by|( $seq as item()*, $sort-key as function(item()) as item(), $k as xs:integer|) as item()*}}</pre>

|{{Func|<pre>hof:top-k-with|( $seq as item()*, $lt as function(item(), item()) as xs:boolean, $k as xs:integer|) as item()*}}</pre>

|{{Func|<pre>hof:id|( $expr as item()*|) as item()*}}</pre>

|{{Func|<pre>hof:const|( $expr as item()*, $ignored as item()*|) as item()*}}</pre>