Chapter - Back Room
The printed name of Back Room is "Cabin, Back Room". The description of Back Room is "[shackdesc].". The prose name of Back Room is "the back room of the cabin". To say shackdesc:
if night or dawn or twilight or raining, say "Hardly any light filters into this windowless back room. Shapes are jumbled and indistinct[dot]";
otherwise say "Only a dim light filters into this windowless back room. [if Back Room is unvisited]The back [o]wall[x] seems unnaturally dark, and as your eyes adjust, you realize it is not wood but the smoothed face of the lava flow[otherwise]The smoothed face of the lava flow forms the back [o]wall[x] of the room[end if]. ";
say "A wide crack in the smoothed wall [if lava tunnel door is closed]is filled in by cobblestones near the ceiling, and a thick wooden [o]door[x] below[otherwise]leads through the open doorway into darkness[end if].[paragraph break]";
say "Other than the [if lava tunnel door is open]open [end if][if not dir and lava tunnel door is open][d]door[x][otherwise]door[end if] [if dir and lava tunnel door is open][east] [end if]and a pile of smashed wood [if player holds compass]splinters[else][o]splinters[x][end if]"; say " in a corner, the only notable feature is the [dr]exit[x][if dir] [west][end if] back to the front room"
Does the player mean examining the lava wall: it is likely. [So "lava" means wall.] Understand "jumble/chasm" as east when location is Back Room and lava tunnel door is open. Instead of examining by name lava tunnel door when lava tunnel door is open: if location is Back Room, try going east; else try going west.
The exits text of Back Room is "The [d]exit[x] back [if dir][west] [end if]to the front room and the [if lava tunnel door is closed]imposing closed[otherwise]heavy open[end if] [dr]door[x] [if dir][east] [end if]are the only two exits".
Report going from Back Room to Hut: say "You step back into the cabin's larger front room.".