2 files changed, 5 insertions, 0 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index ae1a00cf173..e8aa1c67d3c 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,9 @@
 2011-06-16  Paul Eggert  <eggert@cs.ucla.edu>
 
+        * lisp.h: Include <limits.h>, for INT_MAX, LONG_MAX, LLONG_MAX.
+        Without this, prin1 mishandles Lisp_Misc_Save_Value printing on
+        hosts with pre-C99 libraries, because pD is wrongly defined to "t".
+
         Improve buffer-overflow checking (Bug#8873).
         * fileio.c (Finsert_file_contents):
         * insdel.c (insert_from_buffer_1, replace_range, replace_range_2):
diff --git a/src/lisp.h b/src/lisp.h
index 75827deda1a..1e3036344f5 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -23,6 +23,7 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <stdarg.h>
 #include <stddef.h>
 #include <inttypes.h>
+#include <limits.h>
 
 #include <intprops.h>