diff --git a/Makefile b/Makefile
index 613e9c7..1546f32 100644
--- a/Makefile
+++ b/Makefile
@@ -72,7 +72,7 @@ browserify:
 		browserify -r ./ -s markdownit \
 		) > dist/markdown-it.js
 	# Minify
-	uglifyjs dist/markdown-it.js -c -m \
+	uglifyjs dist/markdown-it.js -b beautify=false,ascii-only=true -c -m \
 		--preamble "/*! ${NPM_PACKAGE} ${NPM_VERSION} ${GITHUB_PROJ} @license MIT */" \
 		> dist/markdown-it.min.js
 
diff --git a/lib/presets/commonmark.js b/lib/presets/commonmark.js
index 43483fd..2c4b1e3 100644
--- a/lib/presets/commonmark.js
+++ b/lib/presets/commonmark.js
@@ -16,7 +16,7 @@ module.exports = {
 
     // Double + single quotes replacement pairs, when typographer enabled,
     // and smartquotes on. Set doubles to '«»' for Russian, '„“' for German.
-    quotes: '“”‘’',
+    quotes: '\u201c\u201d\u2018\u2019' /* “”‘’ */,
 
     // Highlighter function. Should return escaped HTML,
     // or '' if input not changed
diff --git a/lib/presets/default.js b/lib/presets/default.js
index ca9bf56..bb979b8 100644
--- a/lib/presets/default.js
+++ b/lib/presets/default.js
@@ -16,7 +16,7 @@ module.exports = {
 
     // Double + single quotes replacement pairs, when typographer enabled,
     // and smartquotes on. Set doubles to '«»' for Russian, '„“' for German.
-    quotes: '“”‘’',
+    quotes: '\u201c\u201d\u2018\u2019' /* “”‘’ */,
 
     // Highlighter function. Should return escaped HTML,
     // or '' if input not changed
diff --git a/lib/presets/full.js b/lib/presets/full.js
index 6e92668..a0c231c 100644
--- a/lib/presets/full.js
+++ b/lib/presets/full.js
@@ -16,7 +16,7 @@ module.exports = {
 
     // Double + single quotes replacement pairs, when typographer enabled,
     // and smartquotes on. Set doubles to '«»' for Russian, '„“' for German.
-    quotes: '“”‘’',
+    quotes: '\u201c\u201d\u2018\u2019' /* “”‘’ */,
 
     // Highlighter function. Should return escaped HTML,
     // or '' if input not changed
diff --git a/lib/renderer.js b/lib/renderer.js
index 52205ca..b711581 100644
--- a/lib/renderer.js
+++ b/lib/renderer.js
@@ -307,7 +307,7 @@ rules.footnote_anchor = function (tokens, idx) {
   if (tokens[idx].subId > 0) {
     id += ':' + tokens[idx].subId;
   }
-  return ' <a href="#' + id + '" class="footnote-backref">↩</a>';
+  return ' <a href="#' + id + '" class="footnote-backref">\u21a9</a>'; /* ↩ */
 };
 
 
diff --git a/lib/rules_core/smartquotes.js b/lib/rules_core/smartquotes.js
index 12a2e93..05a954d 100644
--- a/lib/rules_core/smartquotes.js
+++ b/lib/rules_core/smartquotes.js
@@ -6,7 +6,7 @@
 var QUOTE_TEST_RE = /['"]/;
 var QUOTE_RE = /['"]/g;
 var PUNCT_RE = /[-\s()\[\]]/;
-var APOSTROPHE = '’';
+var APOSTROPHE = '\u2019'; /* ’ */
 
 // This function returns true if the character at `pos`
 // could be inside a word.