Enabled setting extra attributes for DataQualityFlag when writing to LIGO_LW
This PR improves the LIGO_LW
XML interface, mainly to support writing 'process_id'
-like columns to LIGO_LW-format XML files for DataQualityFlag
.
This PR improves the LIGO_LW
XML interface, mainly to support writing 'process_id'
-like columns to LIGO_LW-format XML files for DataQualityFlag
.