diff --git a/ChangeLog b/ChangeLog
index 5bf1e31569..96076c1cf9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,20 @@ Tue Jul 31 12:55:35 2001  Nobuyoshi.Nakada <nobu.nokada@softhome.net>  <nobu.nak
 	  with "/.".
 	  removed meaningless code.
 
+Tue Jul 31 11:52:10 2001  akira yamada  <akira@ruby-lang.org>
+
+	* marshal.c (marshal_load): ruby_verbose test should be wrapped by
+	  RTEST().
+
+Mon Jul 30 17:54:23 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* hash.c (rb_hash_index): should return nil (not the default
+	  value) if value is not in the hash.
+
+Mon Jul 30 03:19:53 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* bignum.c (rb_cstr2inum): "0 ff".hex should return 0, not 255.
+
 Fri Jul 27 18:07:27 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (rb_provided): extension should be guessed using
diff --git a/bignum.c b/bignum.c
index 3159d143c7..226fe49e67 100644
--- a/bignum.c
+++ b/bignum.c
@@ -243,6 +243,10 @@ rb_cstr2inum(str, base)
 	    str += 2;
 	}
 	while (*str && *str == '0') str++;
+	if (ISSPACE(*str)) {
+	    if (badcheck) goto bad;
+	    return INT2FIX(0);
+	}
 	if (!*str) str--;
 	len = 4*strlen(str)*sizeof(char);
     }
diff --git a/hash.c b/hash.c
index 43c1526a14..4a829ab156 100644
--- a/hash.c
+++ b/hash.c
@@ -361,7 +361,7 @@ rb_hash_index(hash, value)
     VALUE args[2];
 
     args[0] = value;
-    args[1] = RHASH(hash)->ifnone;
+    args[1] = Qnil;
 
     st_foreach(RHASH(hash)->tbl, index_i, args);
 
diff --git a/marshal.c b/marshal.c
index 8ef121119f..87f65b2d57 100644
--- a/marshal.c
+++ b/marshal.c
@@ -1067,7 +1067,7 @@ marshal_load(argc, argv)
 \tformat version %d.%d required; %d.%d given",
 		 MARSHAL_MAJOR, MARSHAL_MINOR, major, minor);
     }
-    if (ruby_verbose && minor != MARSHAL_MINOR) {
+    if (RTEST(ruby_verbose) && minor != MARSHAL_MINOR) {
 	rb_warn("incompatible marshal file format (can be read)\n\
 \tformat version %d.%d required; %d.%d given",
 		MARSHAL_MAJOR, MARSHAL_MINOR, major, minor);