# Functions
InitFlags normalizes, parses, then logs the command line flags.
PrintFlags logs the flags in the flagset.
PrintSections prints the given names flag sets in sections, with the maximal given column number.
WarnWordSepNormalizeFunc changes and warns for flags that contain "_" separators.
WordSepNormalizeFunc changes all flags that contain "_" separators.
# Structs
NamedFlagSets stores named flag sets in the order of calling FlagSet.