{{- $text  := default "mark"             (.Get "text"  | default (.Get 0)) -}}
{{- $title := default "highlighted text" (.Get "title" | default (.Get 1)) -}}

{{- if gt (len .Inner) 1 -}}
  {{- $text = .Inner -}}
{{- end -}}

<mark title="{{- $title -}}">{{- $text -}}</mark>
{{- /* This comment removes trailing newlines and white spaces. */ -}}