# File lib/kramdown/parser/kramdown/link.rb, line 35
      def parse_link_definition
        @src.pos += @src.matched_size
        link_id, link_url, link_title = normalize_link_id(@src[1]), @src[2] || @src[3], @src[5]
        warning("Duplicate link ID '#{link_id}' - overwriting") if @link_defs[link_id]
        @link_defs[link_id] = [link_url, link_title]
        @tree.children << Element.new(:eob, :link_def)
        true
      end