add erratum for p.79

errata.html

@@ -55,5 +55,15 @@ pre {
     a closing double-quotation mark.
   </p>
 
+  <p>
+    <b>p.79, ¶4</b>, "When an untyped constant is
+    assigned to a variable, as in the first statement below, or
+    appears on the right-hand side of a variable declaration with an
+    explicit type, as in the other three statements, ..." has it backwards:
+    the <i>first</i>
+    statement is a declaration; the other three are assignments.
+    (Thanks to Yoshiki Shibata, 2015-11-09.)
+  </p>
+
 </body>
 </html>