* is non-NULL then all variable arguments are ignored by default.
*
* If `command_line' is NULL, then the variable arguments define the
- * command's nameand its arguments. The variable argument list must
- * be terminated with NULL.
+ * command's name and its arguments. The first variable argument must
+ * be the command name. The variable argument list must be terminated
+ * with NULL.
*
* Returns FALSE if the command is not known and TRUE after command.
* execution. The "command" client operation is called when the