Input mzML file containing the spectra. [mzML]Input featureXML file, containing features; if set, the MS/MS spectra precursor entries #br#will be matched to the feature m/z values if possible. [featureXML,opt.]Output mzML file. [mzML]The text sent to standard out during the execution of PrecursorMassCorrector.The text sent to standard error during the execution of PrecursorMassCorrector. (If it appears in gray, it's the output of a previously failing run which is preserved for your trouble shooting.)