auto

assign4.md

@@ -130,9 +130,11 @@ out of 200 pts):
   asking you to get the UTI setup correct so that the document and
   browser will allow you to read and write files with the `.gpx`
   extension. Doesn't matter what you write.  Note that this is more difficult
-  than it sounds. I was not able to do this directly and had to use a
-  workaround (which I shall not reveal). When you are using non-Apple, not-yours UTIs there is a slightly
-  different procedure and the straightforward approach (what you get when you google) just doesn't work.
+  as the straightforward descriptions on how to do this (google) did not work
+  for me. My version of the app can write to `.gpx`, but only because I use a
+  very general UTI that allows me to read and write everything. I'd like
+  someone to discover the trick of doing this correctly. Might take you five
+  minutes. Or not.
 - (5 pts) *Get your app to read and write real gpx files*. Your app should be
   able to write read and write RideWithGPX files. Don't worry, look at
   [this file](https://gitlab.cs.umd.edu/keleher/iosstudents/-/blob/master/assign4bmwRS1200GS.gpx) and you will see the format is dirt simple (though