Add some information to README.

README

@@ -31,8 +31,7 @@ terminates.
 
 The simplest way of sending messages to the daemon is using the `osdc' client,
 e.g., `osdc "Hello world!"'. Use multiple parameters to create a multi-line
-message (however, the maximum number of lines is fixed and it can be changed
-only by the `--lines' switch on daemon startup).
+message.
 
 You can also add attributes to the message (written as command-line options):
 
@@ -54,14 +53,21 @@ You can also add attributes to the message (written as command-line options):
 
   --to=stdout		Write message to stdout instead of display.
 
-  --output=name		
-  --output-no=name		
-  --do-not-que
-  --cmd-now= --cmd-after=
-  		disable:<s>
-  		enable:<s>
-		skip:<n>
-  			
+  --output=name	 or --to=name	
+  --output-no=name	Command to set output for actual message.
+  					It will be executed in set order. `output`
+					add all device by name and `output-no`
+					remove all devices by name.
+  					If nothing is set or first is `output-no`
+					`default` will be set as first.
+
+
+  --do-not-que		Do only on-arrive work and do not add message to queue.
+  --cmd-now= --cmd-after= Execute osdd command from folloving list on message
+  							arrive to daemon or after showing message.
+  		disable:<s>		Disable all outputs by name <s>.
+  		enable:<s>		Enable all outputs by name <s>.
+		skip			Skip now showing message.
 
 
 The default values of most of these attributes can be given by command-line