| Class | Debugger::NextCommand | 
| In: | cli/ruby-debug/commands/stepping.rb | 
| Parent: | Command | 
Implements debugger "next" command.
    # File cli/ruby-debug/commands/stepping.rb, line 39
39:       def help(cmd)
40:         %{
41:           n[ext][+-]?[ nnn]\tstep over once or nnn times, 
42:           \t\t'+' forces to move to another line.
43:           \t\t'-' is the opposite of '+' and disables the force_stepping setting.
44:         }
45:       end