code: def merge(self, m, tables):
      DefaultTable.merge(self, m, tables)
      if self.version < 2:
          # bits 8 and 9 are reserved and should be set to zero
          self.fsType &= ~0x0300
      if self.version >= 3:
          # Only one of bits 1, 2, and 3 may be set. We already take
          # care of bit 1 implications in mergeOs2FsType. So unset
          # bit 2 if bit 3 is already set.
          if self.fsType & 0x0008:
              self.fsType &= ~0x0004
      return self
  
file_path: catboost/contrib/python/fonttools/fontTools/merge/tables.py
imports: from fontTools import ttLib, cffLib
  from fontTools.misc.psCharStrings import T2WidthExtractor
  from fontTools.ttLib.tables.DefaultTable import DefaultTable
  from fontTools.merge.base import add_method, mergeObjects
  from fontTools.merge.cmap import computeMegaCmap
  from fontTools.merge.util import *
  import logging
label_desc: Use image node_id 2 for calling a global function with example usage: merge(m, tables) and returns: self