diff --git a/bower.json b/bower.json
index f67b300f0..fe1890edb 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.1.60",
+  "version": "1.1.63",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"
diff --git a/build/pdf.combined.js b/build/pdf.combined.js
index 537c3f519..41a03666d 100644
--- a/build/pdf.combined.js
+++ b/build/pdf.combined.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.1.60';
-PDFJS.build = 'cadbb81';
+PDFJS.version = '1.1.63';
+PDFJS.build = '63aaf1b';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -23082,6 +23082,38 @@ var Font = (function FontClosure() {
     return readUint32(header, 0) === 0x00010000;
   }
 
+  /**
+   * Helper function for |adjustMapping|.
+   * @return {boolean}
+   */
+  function isProblematicUnicodeLocation(code) {
+    if (code <= 0x1F) { // Control chars
+      return true;
+    }
+    if (code >= 0x80 && code <= 0x9F) { // Control chars
+      return true;
+    }
+    if ((code >= 0x2000 && code <= 0x200F) || // General punctuation chars
+        (code >= 0x2028 && code <= 0x202F) ||
+        (code >= 0x2060 && code <= 0x206F)) {
+      return true;
+    }
+    if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials Unicode block
+      return true;
+    }
+    switch (code) {
+      case 0x7F: // Control char
+      case 0xA0: // Non breaking space
+      case 0xAD: // Soft hyphen
+      case 0x0E33: // Thai character SARA AM
+      case 0x2011: // Non breaking hyphen
+      case 0x205F: // Medium mathematical space
+      case 0x25CC: // Dotted circle (combining mark)
+        return true;
+    }
+    return false;
+  }
+
   /**
    * Rebuilds the char code to glyph ID map by trying to replace the char codes
    * with their unicode value. It also moves char codes that are in known
@@ -23121,15 +23153,7 @@ var Font = (function FontClosure() {
       // characters probably aren't in the correct position (fixes an issue
       // with firefox and thuluthfont).
       if ((usedFontCharCodes[fontCharCode] !== undefined ||
-           fontCharCode <= 0x1f || // Control chars
-           fontCharCode === 0x7F || // Control char
-           fontCharCode === 0xAD || // Soft hyphen
-           fontCharCode === 0xA0 || // Non breaking space
-           fontCharCode === 0x0E33 || // Thai character SARA AM 
-           fontCharCode === 0x25CC || // Dotted circle (combining mark)
-           (fontCharCode >= 0x80 && fontCharCode <= 0x9F) || // Control chars
-           // Prevent drawing characters in the specials unicode block.
-           (fontCharCode >= 0xFFF0 && fontCharCode <= 0xFFFF) ||
+           isProblematicUnicodeLocation(fontCharCode) ||
            (isSymbolic && isIdentityUnicode)) &&
           nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { // Room left.
         // Loop to try and find a free spot in the private use area.
diff --git a/build/pdf.js b/build/pdf.js
index 16033d83e..ac3d917b4 100644
--- a/build/pdf.js
+++ b/build/pdf.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.1.60';
-PDFJS.build = 'cadbb81';
+PDFJS.version = '1.1.63';
+PDFJS.build = '63aaf1b';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
diff --git a/build/pdf.worker.js b/build/pdf.worker.js
index 277463d3b..6ef470ff9 100644
--- a/build/pdf.worker.js
+++ b/build/pdf.worker.js
@@ -22,8 +22,8 @@ if (typeof PDFJS === 'undefined') {
   (typeof window !== 'undefined' ? window : this).PDFJS = {};
 }
 
-PDFJS.version = '1.1.60';
-PDFJS.build = 'cadbb81';
+PDFJS.version = '1.1.63';
+PDFJS.build = '63aaf1b';
 
 (function pdfjsWrapper() {
   // Use strict in our context only - users might not want it
@@ -16734,6 +16734,38 @@ var Font = (function FontClosure() {
     return readUint32(header, 0) === 0x00010000;
   }
 
+  /**
+   * Helper function for |adjustMapping|.
+   * @return {boolean}
+   */
+  function isProblematicUnicodeLocation(code) {
+    if (code <= 0x1F) { // Control chars
+      return true;
+    }
+    if (code >= 0x80 && code <= 0x9F) { // Control chars
+      return true;
+    }
+    if ((code >= 0x2000 && code <= 0x200F) || // General punctuation chars
+        (code >= 0x2028 && code <= 0x202F) ||
+        (code >= 0x2060 && code <= 0x206F)) {
+      return true;
+    }
+    if (code >= 0xFFF0 && code <= 0xFFFF) { // Specials Unicode block
+      return true;
+    }
+    switch (code) {
+      case 0x7F: // Control char
+      case 0xA0: // Non breaking space
+      case 0xAD: // Soft hyphen
+      case 0x0E33: // Thai character SARA AM
+      case 0x2011: // Non breaking hyphen
+      case 0x205F: // Medium mathematical space
+      case 0x25CC: // Dotted circle (combining mark)
+        return true;
+    }
+    return false;
+  }
+
   /**
    * Rebuilds the char code to glyph ID map by trying to replace the char codes
    * with their unicode value. It also moves char codes that are in known
@@ -16773,15 +16805,7 @@ var Font = (function FontClosure() {
       // characters probably aren't in the correct position (fixes an issue
       // with firefox and thuluthfont).
       if ((usedFontCharCodes[fontCharCode] !== undefined ||
-           fontCharCode <= 0x1f || // Control chars
-           fontCharCode === 0x7F || // Control char
-           fontCharCode === 0xAD || // Soft hyphen
-           fontCharCode === 0xA0 || // Non breaking space
-           fontCharCode === 0x0E33 || // Thai character SARA AM 
-           fontCharCode === 0x25CC || // Dotted circle (combining mark)
-           (fontCharCode >= 0x80 && fontCharCode <= 0x9F) || // Control chars
-           // Prevent drawing characters in the specials unicode block.
-           (fontCharCode >= 0xFFF0 && fontCharCode <= 0xFFFF) ||
+           isProblematicUnicodeLocation(fontCharCode) ||
            (isSymbolic && isIdentityUnicode)) &&
           nextAvailableFontCharCode <= PRIVATE_USE_OFFSET_END) { // Room left.
         // Loop to try and find a free spot in the private use area.
diff --git a/package.json b/package.json
index 30f437382..9cf26b04b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.1.60",
+  "version": "1.1.63",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [
     "Mozilla",