ref: 0ada40591216572b0e4c6a8ab986b0aa4fb13c13
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 }}