fix permission parser so it matches the documentation

copyparty/authsrv.py

@@ -613,7 +613,7 @@ class AuthSrv(object):
         if uname == "":
             uname = "*"
 
-        for un in uname.split(","):
+        for un in uname.replace(",", " ").strip().split():
             if "r" in lvl:
                 axs.uread[un] = 1
 

docs/example.conf

@@ -24,7 +24,8 @@ rw ed
 r k
 rw ed
 
-# this does the same thing:
+# this does the same thing,
+# and will cause an error on startup since /priv is already taken:
 ./priv
 /priv
 r ed k