Clarify ∅ => set() is empty set

zoffixznet · zoffixznet · commit cb786789cd71 · 2016-04-20T09:39:24.000-04:00
diff --git a/doc/Language/unicode_texas.pod b/doc/Language/unicode_texas.pod
@@ -105,7 +105,7 @@ have a special meaning in Perl 6.
 
   ⁹        U+2079      **9                 can be combined with ⁰..⁹
 
-  ∅        U+2205      set()
+  ∅        U+2205      set() I<(empty set)>
 
   ∈        U+2208      (elem)
 
