Merge remote-tracking branch 'nfagerlund/ticket/2.7.x/7601-type_reference_definition_lists' into 2.7.x
- nfagerlund/ticket/2.7.x/7601-type_reference_definition_lists: (#7601) Use definition lists in indirection references (#7601) Use definition lists in type references (#7601) Add markdown_definitionlist method to reference.rb (#7601) Remove unnecessarily abstracted paramwrap method (#7601) Rename "h" method to "markdown_header" (#7601) Use << instead of += in references