Add Library variables

diff --git a/inflibqr/inflibqr.md b/inflibqr/inflibqr.md
index 3735567affae10c58f6844163ecc7da9927eb03b..d351e8789ec11b85e5ce7f7cb1b43eecb53e7823 100644 (file)
--- a/inflibqr/inflibqr.md
+++ b/inflibqr/inflibqr.md
@@ -96,4 +96,48 @@ TASKS_PROVIDED - Activates the task scoring system.
 USE_MODULES - Activates linking with pre-compiled library modules.
 
 WITHOUT_DIRECTIONS - De-activates standard compass directions (bar
-"IN" and "OUT"). Place alternative directions in the compass.
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+"IN" and "OUT"). Place alternative directions in the compass.
+
+Library variables
+-----------------
+
+action - The current *action*.
+
+actor - The target of an instruction: the player, or an NPC.
+
+deadflag - Normally 0: 1 indicates a regular death, 2 indicates that
+the player has won, 3 or more denotes a user-defined end.
+
+inventory_stage - Used by `invent` and `list_together` properties.
+
+keep_silent - Normally false; true makes most group 2 actions silent.
+
+location - The player's current room; unless that's dark, when it
+contains `thedark`, `real_location` contains the room.
+
+notify_mode - Normally `true`: `false` remains silent when score
+changes.
+
+noun - The primary focus object for the current action.
+
+player - The object acting on behalf of the human player.
+
+real_location -The player's current room when in the dark.
+
+score - The current score.
+
+second - The secondary focus object for the current action.
+
+self - The object which received a message. (Note: a run-time
+variable, not a compile-time constant.)
+
+sender - The object which sent a message (or `nothing`).
+
+task_scores - A byte array holding scores for the task scoring
+system.
+
+the_time - The game's clock, in minutes 0..1439 since midnight.
+
+turns - The game's turn counter.
+
+wn - The input stream word number, counting from 1.
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