From: Joe Marshall <jmarshall@alum.mit.edu>
Date: Sun, 20 Dec 2009 19:29:17 +0000 (-0800)
Subject: Allow uninterned symbols to be weak keys.
X-Git-Tag: 20100708-Gtk~195^2~4
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=097a3ee6c70d396a3277fb96374abbfc2da86e51;p=mit-scheme.git

Allow uninterned symbols to be weak keys.
---

diff --git a/src/runtime/hashtb.scm b/src/runtime/hashtb.scm
index 73208d586..629b6adc1 100644
--- a/src/runtime/hashtb.scm
+++ b/src/runtime/hashtb.scm
@@ -294,7 +294,7 @@ USA.
 (define-integrable (%weak-make-entry key datum)
   (if (or (not key)
 	  (number? key)			;Keep numbers in table.
-	  (symbol? key))		;Symbols, too.
+	  (interned-symbol? key))	;Symbols, too.
       (cons key datum)
       (system-pair-cons (ucode-type weak-cons) key datum)))