Method: IsoDoc::XrefGen::Counter#clock_letter

Defined in:
lib/isodoc/xref/xref_counter.rb

#clock_letter ⇒ Object 



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# File 'lib/isodoc/xref/xref_counter.rb', line 126

def clock_letter
  case @letter
  when "Z"
    @letter = "@"
    @base = string_inc(@base, "A")
  when "z"
    @letter = "`"
    @base = string_inc(@base, "a")
  end
end