diff --git a/ChangeLog b/ChangeLog
index fc8013ee8e..61f18b226b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep 20 23:21:38 2000  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* ruby.c (load_file): two Ctrl-D was required to stop ruby at the
+	  beginning of stdin script read.
+
 Wed Sep 20 14:01:45 2000  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (rb_provided): detect infnite load loop.
diff --git a/eval.c b/eval.c
index 6c092714cf..f42c86cec2 100644
--- a/eval.c
+++ b/eval.c
@@ -1880,6 +1880,7 @@ call_trace_func(event, file, line, self, id, klass)
     PUSH_FRAME();
     *ruby_frame = *prev;
     ruby_frame->prev = prev;
+    ruby_frame->iter = 0;	/* blocks not available anyway */
 
     if (file) {
 	ruby_frame->line = ruby_sourceline = line;
@@ -6022,7 +6023,7 @@ proc_call(proc, args)
     volatile int orphan;
     volatile int safe = ruby_safe_level;
 
-    if (rb_block_given_p()) {
+    if (rb_block_given_p() && ruby_frame->last_func) {
 	rb_warning("block for %s#%s is useless",
 		   rb_class2name(CLASS_OF(proc)),
 		   rb_id2name(ruby_frame->last_func));
diff --git a/lib/net/http.rb b/lib/net/http.rb
index 65cd5a9937..447e88c992 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -350,13 +350,11 @@ module Net
         @socket.reopen
       end
 
-      yield( u_header )
+      resp = yield( u_header )
       if ublock then
         adapter = HTTPReadAdapter.new( @command )
         ublock.call adapter
         resp = adapter.off
-      else
-	resp = @command.get_response
       end
       
       unless keep_alive? u_header, resp then
diff --git a/lib/thwait.rb b/lib/thwait.rb
index 8003f0d3c7..3c17009310 100644
--- a/lib/thwait.rb
+++ b/lib/thwait.rb
@@ -96,7 +96,7 @@ class ThreadsWait
   
   # adds thread(s) to join, no wait.
   def join_nowait(*threads)
-    @threads.concat threads
+    @threads.concat threads.flatten
     for th in threads
       Thread.start do
 	th = th.join
diff --git a/ruby.c b/ruby.c
index 2bd485a6c2..ddff163dbb 100644
--- a/ruby.c
+++ b/ruby.c
@@ -816,6 +816,7 @@ load_file(fname, script)
 	    rb_io_ungetc(f, c);
 	}
 	require_libraries();	/* Why here? unnatural */
+	if (NIL_P(c)) return;
     }
     rb_compile_file(fname, f, line_start);
     if (script && ruby__end__seen) {