{{- $REin := `:\(([\w- ]+?)\):` -}}
{{- $REout := `<i class="$1 fa-fw"></i>` -}}
{{- $content := replaceRE $REin $REout . -}}

{{- $REin = `\[(.+?)\]\^\((.+?)\)` -}}
{{- $REout = `<strong><ruby>$1<rt>$2</rt></ruby></strong>` -}}
{{- $content = replaceRE $REin $REout $content -}}

{{- $REin = `<sup>\[return\]</sup>` -}}
{{- $REout = `↩︎` -}}
{{- $content = replaceRE $REin $REout $content -}}

{{- $REin = `<(h[23456]) (id=".+?")>` -}}
{{- $REout = `<a class="post-dummy-target" $2></a><$1>` -}}
{{- $content = replaceRE $REin $REout $content -}}

{{- $REin = `<(.+) (id="fnref:.+?")>` -}}
{{- $REout = `<a class="post-dummy-target" $2></a><$1>` -}}
{{- $content = replaceRE $REin $REout $content -}}

{{- $REin = `<li (id="fn:.+?")(.*?)>\s?<p>` -}}
{{- $REout = `<li $2><p><a class="post-dummy-target" $1></a>` -}}

{{- return replaceRE $REin $REout $content -}}