robotoslab: v2.000 added.

Taken from the upstream repo https://github.com/googlefonts/robotoslab at commit 90b3fddb96

apache/robotoslab/DESCRIPTION.en_us.html

@@ -8,3 +8,7 @@ humanist and serif types.</p>
 <p>This is the Roboto Slab family, which can be used alongside the normal 
 <a href="http://www.google.com/fonts/specimen/Roboto">Roboto</a> family and the 
 <a href="http://www.google.com/fonts/specimen/Roboto+Condensed">Roboto Condensed</a> family.</p>
+
+<p>In November 2019, the family was updated with a variable font "Weight" axis.</p>
+
+<p>To contribute, see <a href="https://github.com/googlefonts/robotoslab">github.com/googlefonts/robotoslab</a>.</p>

apache/robotoslab/METADATA.pb

@@ -3,47 +3,24 @@ designer: "Christian Robertson"
 license: "APACHE2"
 category: "SERIF"
 date_added: "2013-04-10"
-fonts {
-  name: "Roboto Slab"
-  style: "normal"
-  weight: 100
-  filename: "RobotoSlab-Thin.ttf"
-  post_script_name: "RobotoSlab-Thin"
-  full_name: "Roboto Slab Thin"
-  copyright: "Font data copyright Google 2013"
-}
-fonts {
-  name: "Roboto Slab"
-  style: "normal"
-  weight: 300
-  filename: "RobotoSlab-Light.ttf"
-  post_script_name: "RobotoSlab-Light"
-  full_name: "Roboto Slab Light"
-  copyright: "Font data copyright Google 2013"
-}
 fonts {
   name: "Roboto Slab"
   style: "normal"
   weight: 400
-  filename: "RobotoSlab-Regular.ttf"
+  filename: "RobotoSlab[wght].ttf"
   post_script_name: "RobotoSlab-Regular"
   full_name: "Roboto Slab Regular"
-  copyright: "Font data copyright Google 2013"
+  copyright: "Copyright 2018 The Roboto Slab Project Authors (https://github.com/googlefonts/robotoslab)"
 }
-fonts {
-  name: "Roboto Slab"
-  style: "normal"
-  weight: 700
-  filename: "RobotoSlab-Bold.ttf"
-  post_script_name: "RobotoSlab-Bold"
-  full_name: "Roboto Slab Bold"
-  copyright: "Font data copyright Google 2013"
-}
-subsets: "menu"
 subsets: "cyrillic"
 subsets: "cyrillic-ext"
 subsets: "greek"
-subsets: "greek-ext"
 subsets: "latin"
 subsets: "latin-ext"
+subsets: "menu"
 subsets: "vietnamese"
+axes {
+  tag: "wght"
+  min_value: 100.0
+  max_value: 900.0
+}