{{ with where ( $.Site.Data.abbreviations .Params.abbr ) }}
    {{ if ( or ( eq .Params.mode "shortTitle" ) ( eq .Params.mode "shortTitlePl" ) ) }}
        <abbr class="abbr" title="
        {{- if ( eq .Params.mode "shortTitle" ) }}
            {{ .shortTitle }}
        {{ else if ( eq .Params.mode "shortTitlePl" ) }}
            {{ if .shortTitlePl }}{{ .shortTitlePl }}{{ else }}{{ .shortTitle }}s{{ end }}
        {{ end -}}
        ">
        {{- if ( eq .Params.mode "shortTitle" ) }}
            {{ .shortTitle }}
        {{ else if ( eq .Params.mode "shortTitlePl" ) }}
            {{ if .shortTitlePl }}{{ .shortTitlePl }}{{ else }}{{ .shortTitle }}s{{ end }}
        {{ end -}}
        </abbr>
    {{ else if ( or ( eq .Params.mode "longtitle" ) ( eq .Params.mode "longTitlePl" ) ) }}
        {{- if ( eq .Params.mode "longTitle" ) }}
            {{ .longTitle }}
        {{ else if ( eq .Params.mode "longTitlePl" ) }}
            {{ if .longTitlePl }}{{ .longTitlePl }}{{ else }}{{ .longTitle }}s{{ end }}
        {{ end -}}
    {{ else if ( or ( eq .Params.mode "fullTitle" ) ( eq .Params.mode "fullTitlePl" ) ) }}
        {{ if ( eq .Params.mode "fullTitle" ) }}
            {{ .longTitle }}&nbsp;(<abbr>{{ .short }}</abbr>)
        {{ else if ( eq .Params.mode "fullTitlePl" ) }}
            {{- if .longTitlePl }}{{ .longTitlePl }}{{ else }}{{ .longTitle }}s{{ end -}}
            &nbsp;(<abbr>{{ if .shortPl }}{{ .shortPl }}{{ else }}{{ .short }}s{{ end }}</abbr>)
        {{ end }}
    {{ end }}
{{ else }}
    {{ errorf "No definition found for abbreviation '%q'" .Params.abbr }}
{{ end }}