Comet parameter: use_X_ions

• Controls whether or not X-ions are considered in the search.
• Valid values are 0 and 1.
• To not use X-ions, set the value to 0.
• To use X-ions, set the value to 1.
• The default value is “0” if this parameter is missing.

Example:

use_X_ions = 0
use_X_ions = 1