# File lib/kramdown/parser/kramdown/abbreviation.rb, line 30
      def parse_abbrev_definition
        @src.pos += @src.matched_size
        abbrev_id, abbrev_text = @src[1], @src[2]
        abbrev_text.strip!
        warning("Duplicate abbreviation ID '#{abbrev_id}' - overwriting") if @root.options[:abbrev_defs][abbrev_id]
        @root.options[:abbrev_defs][abbrev_id] = abbrev_text
        @tree.children << Element.new(:eob, :abbrev_def)
        true
      end