RE: Byte-compiled elisp libraries on different platforms

[Drew Adams]

> > Does platform matter for byte-compiled .elc's?
> 
> No, unless they did weird things during compilation (for example,
> selecting which code to compile depending on the availability of
> external programs, etc.).
>
> > What about GNU Emacs 22 vs 23?
> 
> If you compile the .el files with 22.X, they should work fine 
> in 23.0.X.

I don't agree about the last part. I have come across things that do not work in
Emacs 23 if byte-compiled with Emacs 22 (and vice versa).

In general, I believe, Emacs has always been platform-independent wrt
byte-compiled code, and it has never guaranteed release-independence.