Merge from mainline.

diff --cc src/ChangeLog
index f9ca67e703d7f508aec6d282daca2170eba1bf14,832c8abfdcca4d9a3a9bede0c73136338c6c8aab..45d7e7a90449bfe59c7b421efa03a2401008a4b7
--- 1/src/ChangeLog
--- 2/src/ChangeLog
+++ b/src/ChangeLog
@@@ -1,28 -1,20 +1,45 @@@
 +2011-04-28  Paul Eggert  <eggert@cs.ucla.edu>
 +
 +      * sysdep.c (get_random): Don't assume EMACS_INT is no wider than long.
 +      Also, don't assume VALBITS / RAND_BITS is less than 5,
 +      and don't rely on undefined behavior when shifting a 1 left into
 +      the sign bit.
 +      * lisp.h (get_random): Change signature to match.
 +
 +      * lread.c (hash_string): Use size_t, not int, for hash computation.
 +      Normally we prefer signed values; but hashing is special, because
 +      it's better to use unsigned division on hash table sizes so that
 +      the remainder is nonnegative.  Also, size_t is the natural width
 +      for hashing into memory.  The previous code used 'int', which doesn't
 +      retain enough info to hash well into very large tables.
 +      (oblookup, oblookup_last_bucket_number, Funintern): Likewise.
 +
 +      * dbusbind.c: Don't possibly lose pointer info when converting.
 +      (xd_remove_watch, Fdbus_init_bus, xd_read_queued_messages):
 +      Use XPNTR rather than XHASH, so that the high-order bits of
 +      the pointer aren't lost when converting through void *.
 +
 +      * eval.c (Fautoload): Don't double-shift a pointer.
 +
 +      * fns.c (Frandom): Let EMACS_UINT be wider than unsigned long.
 +
+ 2011-04-28  Paul Eggert  <eggert@cs.ucla.edu>
+ 
+       * doprnt.c (doprnt): Omit useless test; int overflow check (Bug#8545).
+       (SIZE_MAX): Move defn after all includes, as they might #define it.
+ 
+ 2011-04-28  Juanma Barranquero  <lekktu@gmail.com>
+ 
+       * w32.c (init_environment): Warn about defaulting HOME to C:\.
+ 
+ 2011-04-28  Juanma Barranquero  <lekktu@gmail.com>
+ 
+       * keyboard.c (Qdelayed_warnings_hook): Define.
+       (command_loop_1): Run `delayed-warnings-hook'
+       if Vdelayed_warnings_list is non-nil.
+       (syms_of_keyboard) <delayed-warnings-hook>: DEFSYM it.
+       (syms_of_keyboard) <delayed-warnings-list>: DEFVAR_LISP it.
+ 
  2011-04-28  Eli Zaretskii  <eliz@gnu.org>
  
        * doprnt.c (doprnt): Don't return value smaller than the buffer