7.0 Issues

[Peter Haworth]

I've been careful to create separate versions of my stack files and
Livecode Preferences folder for use when running LC 7.  However, it seems
there other issues with compatibility.

I save the preferences for my application in a file in the
/Library/Application Support folder with the following statement:

*write* base64Encode(arrayEncode(gSettings)) to file <filepath>"

These are then read in at startup with:

read from file myPath until EOF
   if it is empty then
      put empty into gSettings
   else
      put arrayDecode(base64Decode(it)) into gSettings
   end if

Yesterday, I started working on this stack with LC7 and the prefs file was
saved by the LC7 version of the stack.
Today, I needed to go back to the non LC7 version of the stack.  To my
surprise, a runtime error was thrown on the "put arrayDecode..." statement
above.  The  it variable looked  like it contained base64 encoded data.

I ran the LC7 version of the stack again and the runtime error did not
occur.

I restored the preferences file from a Time Machine backup that I know
preceded my use of LC7, ran the application again with LC 6.6.2, and all
worked fine.

So it seems that something in either the array/base64 encode/decode
 functions changed between v6.6.2 and 7.0.1.

I really want to use LC7 but stuff like this makes me very nervous.  How
many other inconsistencies like this are lurking out there.