--- rxvt-unicode/src/command.C	2005/12/31 18:27:57	1.221
+++ rxvt-unicode/src/command.C	2006/01/01 06:18:20	1.224
@@ -50,6 +50,10 @@
 #include "version.h"
 #include "command.h"
 
+#if HAVE_SCHED_YIELD
+# include <sched.h>
+#endif
+
 #ifdef KEYSYM_RESOURCE
 # include "keyboard.h"
 #endif
@@ -1082,14 +1086,20 @@
   cmdbuf_ptr = cmdbuf_base;
   cmdbuf_endp = cmdbuf_ptr + n;
 
-  n = read (pty.pty, cmdbuf_endp, CBUFSIZ - n);
+  ssize_t r = read (pty.pty, cmdbuf_endp, CBUFSIZ - n);
 
-  if (n > 0)
+  if (r > 0)
     {
-      cmdbuf_endp += n;
+      cmdbuf_endp += r;
       return true;
     }
-  else if ((n < 0 && errno != EAGAIN && errno != EINTR) || n == 0)
+  else if (r < 0 && (errno == EAGAIN || errno == EINTR))
+    {
+#if HAVE_SCHED_YIELD
+      sched_yield ();
+#endif
+    }
+  else
     {
       pty_ev.stop ();
 
@@ -4054,6 +4064,10 @@
               SET_OPTION (Opt_intensityStyles);
             else
               CLR_OPTION (Opt_intensityStyles);
+
+            want_refresh = 1;
+            want_full_refresh = 1;
+            break;
 #endif
           case 1048:		/* alternative cursor save */
           case 1049: