update accepted char set

CLI/CLI.c

@@ -236,13 +236,7 @@ bool CLI_charIn(char c)
 	switch (CLI_State)
 	{
 		case CLI_State_Default:
-			if ( //TODO: update list of accepted characters
-						((C >= 'A') && (C <= 'Z'))
-					|| ((c >= '0') && (c <= '9'))
-					|| (c == ' ')
-					|| (c == '-')
-					|| (c == '_')
-				)
+			if ((C >= ' ') && (C <= '~')) // see ascii table
 			{
 				FIFOBuffChar_put(FIFO, C); // save char in buffer
 				CLI_charOut_save(c);
@@ -265,7 +259,7 @@ bool CLI_charIn(char c)
 						break;
 					
 					case 8:
-					case 127: // backspace
+					case 127: // delete (backspace)
 						if (FIFOBuffChar_pop(FIFO))
 						{ // pop something of the buffer
 							CLI_stringOut((char*)"\x1b[D \x1b[D"); // "<left arrow><space><left arrow>"