Add utf-8-encoding in file reading

linkToPDF.py

@@ -172,7 +172,7 @@ class Pad:
         if not self.inCache():
             self.download()
 
-        with open(self.getRawFilename(), "r") as d:
+        with open(self.getRawFilename(), "r", encoding="utf-8") as d:
             return d.read()
 
     def convert(self):
@@ -205,7 +205,7 @@ def compilePads(pads):
 
 def allPads(pads, topsOnly=False):
     mergedFilename = "merged_topics.md"
-    with open(mergedFilename, "w") as d:
+    with open(mergedFilename, "w", encoding="utf-8") as d:
         for pad in tqdm(sorted(pads, key=lambda p: p.date), desc="Create Topics Document"):
             assert isinstance(pad, Pad)
             content = pad.getContent()