class_docstr: Hold config parsers for all idle config files in singleton instance.
  
  Default config files, self.defaultCfg --
      for config_type in self.config_types:
          (idle install dir)/config-{config-type}.def
  
  User config files, self.userCfg --
      for config_type in self.config_types:
      (user home dir)/.idlerc/config-{config-type}.cfg
class_docstr_tok: ["Hold","config","parsers","for","all","idle","config","files","in","singleton","instance",".","Default","config","files",",","self.defaultCfg","--","for","config_type","in","self.config_types",":","(","idle","install","dir",")","\/config-","{","config-type","}",".def","User","config","files",",","self.userCfg","--","for","config_type","in","self.config_types",":","(","user","home","dir",")","\/.idlerc\/config-","{","config-type","}",".cfg"]
docstr: Return True if the virtual event is one of the core idle key events.
  
  virtualEvent - string, name of the virtual event to test for,
                 without the enclosing '<< >>'
docstr_tok: ["Return","True","if","the","virtual","event","is","one","of","the","core","idle","key","events",".","virtualEvent","-","string",",","name","of","the","virtual","event","to","test","for",",","without","the","enclosing","'","<","<",">",">","'"]
code: def IsCoreBinding(self, virtualEvent):
      """Return True if the virtual event is one of the core idle key events.
  
      virtualEvent - string, name of the virtual event to test for,
                     without the enclosing '<< >>'
      """
      return ("<<" + virtualEvent + ">>") in self.GetCoreKeys()
  
imports: from configparser import ConfigParser
  import os
  import sys
  from tkinter.font import Font
  import idlelib
label_desc: Use image node_id 22 for calling the IdleConf obj's underlying member method code with example usage: obj.IsCoreBinding(virtualEvent) and returns: unknown