-/**
- * @ingroup XBT_log
- * @param control_string What to parse
- *
- * Typically passed a command-line argument. The string has the syntax:
- *
- * ( [category] "." [keyword] ":" value (" ")... )...
- *
- * where [category] is one the category names (see @ref XBT_log_cats for a complete list of the ones defined in the
- * SimGrid library) and keyword is one of the following:
- *
- * - thres: category's threshold priority. Possible values:
- * TRACE,DEBUG,VERBOSE,INFO,WARNING,ERROR,CRITICAL
- * - add or additivity: whether the logging actions must be passed to the parent category.
- * Possible values: 0, 1, no, yes, on, off.
- * Default value: yes.
- * - fmt: the format to use. See @ref log_use_conf_fmt for more information.
- * - app or appender: the appender to use. See @ref log_use_conf_app for more information.
- */