diff --git a/layouts/shortcodes/ruby.html b/layouts/shortcodes/ruby.html
new file mode 100644
index 0000000..b21e64b
--- /dev/null
+++ b/layouts/shortcodes/ruby.html
@@ -0,0 +1 @@
+<ruby{{ with .Get 0 }} lang="{{ . }}"{{ end }}>{{- .Inner -}}</ruby>{{- "" -}}
diff --git a/layouts/shortcodes/ruby/t.html b/layouts/shortcodes/ruby/t.html
new file mode 100644
index 0000000..2da9c3a
--- /dev/null
+++ b/layouts/shortcodes/ruby/t.html
@@ -0,0 +1,31 @@
+{{- $lang := "" -}}
+{{- $text := "" -}}
+
+{{- if eq (len .Params) 2 -}}
+  {{- $lang = .Get 0 -}}
+  {{- $text = .Get 1 -}}
+{{- else if eq (len .Params) 1 -}}
+  {{- $text = .Get 0 -}}
+{{- else -}}
+  {{
+    errorf "%s: Invalid number of parameters to %s: Expected 1 or 2, got %d."
+           .Position .Name (len .Params)
+  }}
+{{- end -}}
+
+{{- with $parent := .Parent -}}
+  {{- "" -}}
+  <rp>(</rp>
+  {{- "" -}}
+  <rt
+    {{- with $lang }} lang="{{ . }}"{{ end -}}
+  >{{ $text }}</rt>
+  {{- "" -}}
+  <rp>)</rp>
+  {{- "" -}}
+{{- else -}}
+  {{
+    errorf "%s: The %q shortcode is not meant to be called outside of a parent ruby shortcode."
+           .Position .Name
+  }}
+{{- end -}}