Never pass a leading + to mpz_set_string, parse_integer (). src/ChangeLog addition: 2011-05-01 Aidan Kehoe <kehoea@parhasard.net> * lread.c (parse_integer): GMP's mpz_set_string deals with a leading plus badly, make sure it never sees one coming from this function. tests/ChangeLog addition: 2011-05-01 Aidan Kehoe <kehoea@parhasard.net> * automated/lisp-reader-tests.el: If the bignum feature is available, check that a leading plus sign is treated correctly when reading bignum integers.

--- a/tests/ChangeLog	Sat Apr 30 17:38:35 2011 +0200
+++ b/tests/ChangeLog	Sun May 01 13:51:33 2011 +0100
@@ -1,3 +1,9 @@
+2011-05-01  Aidan Kehoe  <kehoea@parhasard.net>
+
+	* automated/lisp-reader-tests.el:
+	If the bignum feature is available, check that a leading plus sign
+	is treated correctly when reading bignum integers.
+
 2011-04-29  Stephen J. Turnbull  <stephen@xemacs.org>
 
 	* XEmacs 21.5.31 "ginger" is released.