Merge commit '8c2b9819bb918230b5582963b312ef858a04ad32' into update-axis-registry

axisregistry/Lib/axisregistry/data/mutation.textproto

@@ -0,0 +1,17 @@
+# from Kablammo 
+tag: "MUTA"
+display_name: "Mutation"
+min_value: 0
+default_value: 0
+max_value: 60
+precision: 0
+fallback {
+  name: "Default"
+  value: 0
+}
+fallback_only: false
+description:
+  "As the mutation axis progresses, in seconds, "
+  "letterforms morph — changing in ways that don't change "
+  "their other attributes like width or weight."
+  

axisregistry/Lib/axisregistry/data/optical_size.textproto

@@ -2,7 +2,7 @@
 # fallbacks based on https://en.wikipedia.org/wiki/Traditional_point-size_names
 # plus discussion with dcrossland@
 tag: "opsz"
-display_name: "Optical size"
+display_name: "Optical Size"
 min_value: 6
 max_value: 144
 default_value: 14

axisregistry/tests/data/RobotoFlex[GRAD,XOPQ,XTRA,YOPQ,YTAS,YTDE,YTFI,YTLC,YTUC,opsz,slnt,wdth,wght]_STAT.ttx

@@ -14,7 +14,7 @@
   </Axis>
   <Axis index="2">
     <AxisTag value="opsz"/>
-    <AxisNameID value="320"/>  <!-- Optical size -->
+    <AxisNameID value="320"/>  <!-- Optical Size -->
     <AxisOrdering value="2"/>
   </Axis>
   <Axis index="3">