Re: Image scroll issue

[Chris Moore]

Richard Stallman <address@hidden> writes:

> Thanks.

While looking into this problem, I discovered that some in-line images
can't be scrolled even after the emacs-w3m fix.

I don't know whether to report it or not because it's already known
that image support in Emacs is pretty flaky, but, just in case this
isn't known, I will:

1. create an image, 500 pixels tall in /tmp/image.jpg
2. make a new fundamental-mode buffer
3. insert a few lines of text, leave point at the end and evaluate
  (insert-image-file "/tmp/image.jpg")
4. go to the end of the buffer with M->
5. repeat steps 3 and 4 a few times
6. go to the start of the buffer with M-<
7. resize the frame so that it's less than 500 pixels tall (ie. so that
   the image doesn't fit in the window)
8. scroll down repeatedly with C-v

The first copy of the image will scroll properly, but scrolling gets
stuck on the 2nd copy.  the 2nd copy will scroll to the bottom and
then jump back to the top.  Hitting C-v very quickly (or holding it
down) will eventually get past the 2nd copy, only to get stuck on the
3rd or 4th copy.