key bindings map the colon key to this command, so pressing : in
command mode activates insert mode.
[/description]
+
+[subcommand jmp]
+ purpose = change playback position
+ non-opts-name = percent
+ [description]
+ The percent argument must be an integer between 0 and 100, inclusively.
+ [/description]
+
+[subcommand ff]
+ purpose = set playback position relative to the current position
+ non-opts-name = seconds
+ [description]
+ Negative values mean to jump backwards the given amount of seconds.
+ [/description]