demo_buffer category name open a new buffer demo_buffer_set property value set a buffer property demo_info [info [arguments]] get and display an info info: info to display arguments: optional arguments for info Without argument, this command displays list of available infos demo_infolist [infolist] get and display an infolist infolist: infolist to display Without argument, this command displays list of available infolists demo_printf [text] print some messages on current ubffer text: write this text