diff --git a/ChangeLog b/ChangeLog
index 917755c710..9c0d86c8e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,12 @@ Tue Jan 14 21:47:56 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 	  the suffix specifiched.  [ruby-dev:18702]
 	  http://moonrock.jp/~don/d/200211.html#d08_t1
 
+Tue Jan 14 18:36:41 2003  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* enum.c (enum_all): now works without block.
+
+	* enum.c (enum_any): ditto.
+
 Tue Jan 14 01:21:32 2003  Nobuyoshi Nakada  <nobu.nokada@softhome.net>
 
 	* io.c (next_argv): not always set binmode.
diff --git a/enum.c b/enum.c
index 24b6e9e065..f4402926cc 100644
--- a/enum.c
+++ b/enum.c
@@ -287,7 +287,7 @@ enum_sort_by(obj)
 }
 
 static VALUE
-all_i(i, memo)
+all_iter_i(i, memo)
     VALUE i;
     NODE *memo;
 {
@@ -298,6 +298,18 @@ all_i(i, memo)
     return Qnil;
 }
 
+static VALUE
+all_i(i, memo)
+    VALUE i;
+    NODE *memo;
+{
+    if (!RTEST(i)) {
+	memo->u1.value = Qfalse;
+	rb_iter_break();
+    }
+    return Qnil;
+}
+
 static VALUE
 enum_all(obj)
     VALUE obj;
@@ -306,18 +318,30 @@ enum_all(obj)
     NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, 0, 0);
 
     memo->u1.value = Qtrue;
-    rb_iterate(rb_each, obj, all_i, (VALUE)memo);
+    rb_iterate(rb_each, obj, rb_block_given_p() ? all_iter_i : all_i, (VALUE)memo);
     result = memo->u1.value;
     rb_gc_force_recycle((VALUE)memo);
     return result;
 }
 
+static VALUE
+any_iter_i(i, memo)
+    VALUE i;
+    NODE *memo;
+{
+    if (RTEST(rb_yield(i))) {
+	memo->u1.value = Qtrue;
+	rb_iter_break();
+    }
+    return Qnil;
+}
+
 static VALUE
 any_i(i, memo)
     VALUE i;
     NODE *memo;
 {
-    if (RTEST(rb_yield(i))) {
+    if (RTEST(i)) {
 	memo->u1.value = Qtrue;
 	rb_iter_break();
     }
@@ -332,7 +356,7 @@ enum_any(obj)
     NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, 0, 0);
 
     memo->u1.value = Qfalse;
-    rb_iterate(rb_each, obj, any_i, (VALUE)memo);
+    rb_iterate(rb_each, obj, rb_block_given_p() ? any_iter_i : any_i, (VALUE)memo);
     result = memo->u1.value;
     rb_gc_force_recycle((VALUE)memo);
     return result;
diff --git a/eval.c b/eval.c
index 5b0dfb5f14..adc04d9dea 100644
--- a/eval.c
+++ b/eval.c
@@ -5613,6 +5613,7 @@ rb_f_require(obj, fname)
 
     SafeStringValue(fname);
     ext = strrchr(RSTRING(fname)->ptr, '.');
+    if (ext && strchr(ext, '/')) ext = 0;
     if (ext) {
 	if (strcmp(".rb", ext) == 0) {
 	    feature = rb_str_dup(fname);