"Stephen J. Turnbull" <turnbull(a)sk.tsukuba.ac.jp> writes:
What I don't understand is why it is so hard to at least
preserve
extents/markers _outside_ of the region being decoded
It isn't. If the outside markers are getting screwed, then it's a
bug. What I was talking about are the markers and extents within the
region. I had no idea the about outside ones.
The implementation of decode-coding-region is very simple, and looking
at it, I don't see how the markers get broken.