fix: specify encoding utf-8 when opening a file

Author: northword

xmltojson.py

@@ -89,7 +89,7 @@ def walktojson(self, elem):
                     continue
 
             print("converting " + fullname + " to " + newname)
-            doc = w.makedoc(open(fullname).read())
+            doc = w.makedoc(open(fullname, encoding='utf-8').read())
             obj = w.walktojson(doc)
             open(newname, 'w').write(json.dumps(obj,indent=2))
     elif singleFile: