Merge

diff --cc pdf.js
index 0302e7c1a6977a6fe3d4b833eb4553a05754a75f,a0295860f236af858d14f2af23d855222d20a680..41cd6d07ee9fc07fa8ad7b050a50c471ae0e472b
--- 1/pdf.js
--- 2/pdf.js
+++ b/pdf.js
@@@ -4295,8 -4308,11 +4300,9 @@@ var PartialEvaluator = (function() 
            if (IsName(cmapObj)) {
              error('ToUnicode file cmap translation not implemented');
            } else if (IsStream(cmapObj)) {
 -            var firstChar = xref.fetchIfRef(fontDict.get('FirstChar'));
 -
              var tokens = [];
              var token = '';
+             var beginArrayToken = {};
  
              var cmap = cmapObj.getBytes(cmapObj.length);
              for (var i = 0; i < cmap.length; i++) {