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Add Library constants
author
Jason Self
<j@jxself.org>
Sun, 2 Jun 2019 22:35:11 +0000
(15:35 -0700)
committer
Jason Self
<j@jxself.org>
Sun, 2 Jun 2019 22:35:11 +0000
(15:35 -0700)
inflibqr/inflibqr.md
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diff --git
a/inflibqr/inflibqr.md
b/inflibqr/inflibqr.md
index a5eaf7d36bc13e5ddc3ab6f3cce23e6809bd6c5b..67fdb4e8a262d6b9b0a488a471491864e2fa8b65 100644
(file)
--- a/
inflibqr/inflibqr.md
+++ b/
inflibqr/inflibqr.md
@@
-40,4
+40,11
@@
Library objects
variable, which usually refers to `selfobj`.
`thedark` - A pseudo-room which becomes the `location` when there is
variable, which usually refers to `selfobj`.
`thedark` - A pseudo-room which becomes the `location` when there is
-no light (although the player object is not moved there).
\ No newline at end of file
+no light (although the player object is not moved there).
+
+Library constants
+-----------------
+
+In addition to the standard constants `true` (1), `false` (0) and
+`nothing` (0), the Library defines `NULL` (-1) for an action, property
+or pronoun whose current value is undefined.
\ No newline at end of file