--- rxvt-unicode/src/command.C	2005/12/31 18:19:06	1.220
+++ rxvt-unicode/src/command.C	2006/01/01 15:03:49	1.226
@@ -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
@@ -982,7 +986,7 @@
   display->flush ();
 
   if (want_refresh && !flush_ev.active)
-    flush_ev.start (NOW + 0.01);
+    flush_ev.start (NOW + 1. / 60.); // refresh at max. 60 hz normally
 }
 
 void
@@ -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 ();
 
@@ -2686,6 +2696,7 @@
                       || (refresh_count >= refresh_limit * (nrow - 1)))
                     {
                       refreshnow = true;
+                      refresh_count = 0;
                       ch = NOCHAR;
                       break;
                     }
@@ -2732,6 +2743,7 @@
                 {
                   flag = true;
                   scr_refresh (refresh_type);
+                  flush_ev.stop ();
                 }
             }
 
@@ -4054,6 +4066,9 @@
               SET_OPTION (Opt_intensityStyles);
             else
               CLR_OPTION (Opt_intensityStyles);
+
+            scr_touch (true);
+            break;
 #endif
           case 1048:		/* alternative cursor save */
           case 1049:
@@ -4315,7 +4330,6 @@
             scr_color ((unsigned int) (minBrightCOLOR + (arg[i] - 100)), Color_bg);
             break;
 #endif
-
         }
     }
 }