{{@@ key.up           @@}}  back-line
{{@@ key.down         @@}}  forw-line

{{@@ key.up  .upper() @@}}  back-scroll
{{@@ key.down.upper() @@}}  forw-scroll

{{@@ key.next         @@}}  repeat-search
{{@@ key.next.upper() @@}}  reverse-search
