[css-fonts] Specify font-language-override as a @font-face descriptor

#1392

Author: Litherum

css-fonts-4/Overview.bs

@@ -3001,34 +3001,36 @@ text run.
 	Then, the values applied in this step should be clamped (possibly again) to the values
 	that are supported by the font.
 
-3. If the font is defined via an ''@font-face'' rule, the font language override
+3. The language specified by the inherited value of lang/xml:lang
+
+4. If the font is defined via an ''@font-face'' rule, the font language override
 	implied by the 'font-language-override!!descriptor' descriptor in the ''@font-face'' rule.
 
-4. If the font is defined via an ''@font-face'' rule, the font variations
+5. If the font is defined via an ''@font-face'' rule, the font variations
 	implied by the 'font-variation-settings!!descriptor' descriptor in the ''@font-face'' rule.
 
-5. If the font is defined via an ''@font-face'' rule, the font features
+6. If the font is defined via an ''@font-face'' rule, the font features
 	implied by the 'font-feature-settings!!descriptor' descriptor in the ''@font-face'' rule.
 
-6. The font language override implied by the value of the 'font-language-override!!property' property.
+7. The font language override implied by the value of the 'font-language-override!!property' property.
 
-7. Font variations implied by the value of the 'font-optical-sizing!!property' property.
+8. Font variations implied by the value of the 'font-optical-sizing!!property' property.
 
-8. Font features implied by the value of the 'font-variant!!property' property,
+9. Font features implied by the value of the 'font-variant!!property' property,
 	the related 'font-variant!!property' subproperties and any other CSS property
 	that uses OpenType features (e.g. the 'font-kerning!!property' property).
 
 	<!-- other CSS props override 'font-variant' but not 'font-feature-settings' -->
 	<!-- http://lists.w3.org/Archives/Public/www-style/2013Aug/0110.html -->
 
-9. Feature settings determined by properties other than 'font-variant!!property' or
+10. Feature settings determined by properties other than 'font-variant!!property' or
 	'font-feature-settings!!property'. For example, setting a
 	non-default value for the 'letter-spacing' property disables common ligatures.
 
-10. Font variations implied by the value of the 'font-variation-settings!!property' property.
+11. Font variations implied by the value of the 'font-variation-settings!!property' property.
 	These values should be clamped to the values that are supported by the font.
 
-11. Font features implied by the value of 'font-feature-settings!!property' property.
+12. Font features implied by the value of 'font-feature-settings!!property' property.
 
 This ordering allows authors to set up a general set of defaults
 for fonts within their ''@font-face'' rules, then override them with