ref: 798bf60c5638c68c7c96fb79fa534fe1b7688fef
dir: /docs/layouts/shortcodes/gh.html/
{{ range .Params }}
{{ if eq (substr . 0 1) "@" }}
<a href="//github.com/{{ substr . 1 }}">{{ . }}</a>
{{ else if eq (substr . 0 2) "0x" }}
<a href="//github.com/spf13/hugo/commit/{{ substr . 2 }}">{{ substr . 2 6 }}</a>
{{ else }}
<a href="//github.com/spf13/hugo/issues/{{ . }}">#{{ . }}</a>
{{ end }}
{{ end }}