getlocal cannot return the local itself, since lua_isstring and

lua_isnumber can modify it.

bugs

@@ -61,3 +61,9 @@ because "strtol" returns long, not unsigned long.
 ** lstrlib.c
 Mon Jan  4 10:41:40 EDT 1999
 >> "format" does not check size of format item (such as "%00000...00000d").
+
+** lapi.c
+Wed Feb  3 14:40:21 EDT 1999
+>> getlocal cannot return the local itself, since lua_isstring and
+lua_isnumber can modify it.
+