Make predefined counter style names ASCII-lowercase.

components/style/counter_style/predefined.rs

@@ -0,0 +1,60 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+predefined! {
+    "decimal-leading-zero",
+    "arabic-indic",
+    "armenian",
+    "upper-armenian",
+    "lower-armenian",
+    "bengali",
+    "cambodian",
+    "khmer",
+    "cjk-decimal",
+    "devanagari",
+    "georgian",
+    "gujarati",
+    "gurmukhi",
+    "hebrew",
+    "kannada",
+    "lao",
+    "malayalam",
+    "mongolian",
+    "myanmar",
+    "oriya",
+    "persian",
+    "lower-roman",
+    "upper-roman",
+    "tamil",
+    "telugu",
+    "thai",
+    "tibetan",
+    "lower-alpha",
+    "lower-latin",
+    "upper-alpha",
+    "upper-latin",
+    "cjk-earthly-branch",
+    "cjk-heavenly-stem",
+    "lower-greek",
+    "hiragana",
+    "hiragana-iroha",
+    "katakana",
+    "katakana-iroha",
+    "disc",
+    "circle",
+    "square",
+    "disclosure-open",
+    "disclosure-closed",
+    "japanese-informal",
+    "japanese-formal",
+    "korean-hangul-formal",
+    "korean-hanja-informal",
+    "korean-hanja-formal",
+    "simp-chinese-informal",
+    "simp-chinese-formal",
+    "trad-chinese-informal",
+    "trad-chinese-formal",
+    "cjk-ideographic",
+    "ethiopic-numeric",
+}