diff --git a/ChangeLog b/ChangeLog
index bbc7ffd683..be257c3967 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,10 @@
-Sat Mar 28 00:47:19 1998  Yukihiro Matsumoto  <matz@netlab.co.jp>
+Sat Mar 28 16:07:11 1998  WATANABE Hirofumi  <watanabe@ase.ptg.sony.co.jp>
 
-	* ruby.c (ruby_prog_init): `site_ruby' added to load_path.
+	* io.c (io_closed): should not cause exception fot closed IO.
+
+	* string.c (str_tr): returned nil for success.
+
+Sat Mar 28 00:47:19 1998  Yukihiro Matsumoto  <matz@netlab.co.jp>
 
 	* eval.c (f_local_variables): new method to return an array of
  	  local variable names.
@@ -13,6 +17,10 @@ Sat Mar 28 00:47:19 1998  Yukihiro Matsumoto  <matz@netlab.co.jp>
 
 Fri Mar 27 13:49:27 1998  Yukihiro Matsumoto  <matz@netlab.co.jp>
 
+	* experimental release 1.1b9_05.
+
+	* ruby.c (ruby_prog_init): `site_ruby' added to load_path.
+
 	* ruby.c (ruby_prog_init): load-path order changed.  Paths in
  	  the RUBYLIB environment variable comes first in non-tainted
  	  mode.
@@ -64,7 +72,7 @@ Fri Mar 20 16:40:34 1998  Yukihiro Matsumoto  <matz@netlab.co.jp>
  	  nil if it does not modify the string.
 
 	* string.c (str_sub_iter_s): should check last pattern since it
-	  may be matched to null.
+ 	  may be matched to null.
 
 Thu Mar 19 13:48:55 1998  Yukihiro Matsumoto  <matz@netlab.co.jp>
 
diff --git a/ext/tcltklib/extconf.rb b/ext/tcltklib/extconf.rb
index 8032b1357b..201070c4dd 100644
--- a/ext/tcltklib/extconf.rb
+++ b/ext/tcltklib/extconf.rb
@@ -40,11 +40,10 @@ search_header("tk.h",
 	      "/usr/local/include/tk*",
 	      "/usr/local/include")
 search_header("X11/Xlib.h",
+	      "/usr/include/X11*",
 	      "/usr/include",
-	      "/usr/X11*/include",
-	      "/usr/include",
-	      "/usr/X11*/include",
-	      "/usr/openwin/include")
+	      "/usr/openwin/include",
+	      "/usr/X11*/include")
 
 $CFLAGS = "-Wall " + $includes.collect{|path| "-I" + path}.join(" ")
 
@@ -75,7 +74,7 @@ end
 
 if have_header("tcl.h") && have_header("tk.h") &&
     search_lib("libX11.{a,so}", "XOpenDisplay",
-	       "/usr/lib", "/usr/X11*/lib", "/usr/openwin/lib") &&
+	       "/usr/lib", "/usr/openwin/lib", "/usr/X11*/lib") &&
     search_lib("libtcl{,7*,8*}.{a,so}", "Tcl_FindExecutable",
 	       "/usr/lib", "/usr/local/lib") &&
     search_lib("libtk{,4*,8*}.{a,so}", "Tk_Init",
diff --git a/io.c b/io.c
index 9bda7a8d73..7e8310a714 100644
--- a/io.c
+++ b/io.c
@@ -739,8 +739,8 @@ io_closed(io)
 {
     OpenFile *fptr;
 
-    GetOpenFile(io, fptr);
-    return fptr->f?FALSE:TRUE;
+    fptr = RFILE(io)->fptr;
+    return (fptr->f || fptr->f2)?FALSE:TRUE;
 }
 
 static VALUE
diff --git a/string.c b/string.c
index e8a87fd2a4..e60088fd88 100644
--- a/string.c
+++ b/string.c
@@ -1824,7 +1824,7 @@ str_tr(str, src, repl)
     VALUE val = tr_trans(str_dup(str), src, repl, 0);
 
     if (NIL_P(val)) return str;
-    return Qnil;
+    return val;
 }
 
 static void
diff --git a/version.h b/version.h
index 6474e347cc..c0b8f6c198 100644
--- a/version.h
+++ b/version.h
@@ -1,2 +1,2 @@
 #define RUBY_VERSION "1.1b9_05"
-#define VERSION_DATE "98/03/26"
+#define VERSION_DATE "98/03/27"