{{ if or
	(eq .OriginalMIMEType "text/html")
	(contains (toLower .OriginalText) "<html")
}}
	{{- $text := exec `/usr/lib/aerc/filters/html` .OriginalText | replace `\r` `` -}}
	{{- range split "\n" $text -}}
		{{- if eq . "References:" }}{{break}}{{end}}
		{{- if or
			(eq (len .) 0)
			(match `^\[.+\]\s*$` .)
		}}{{continue}}{{end}}
		{{- printf "%s\n" . | replace `^[\s]+` "" | quote}}
	{{- end -}}
{{- else }}
	{{- trimSignature .OriginalText | quote -}}
{{- end -}}

{{.Signature -}}