start-process + display-buffer chops out top of text

start-process + display-buffer chops out top of text

[Phil Roberts]

Hello all,

On my system, this piece of code chops the top part of the text out of the 
display output.  Does anybody know why this is, and whether or not it is 
considered normal?

(let ((buf (generate-new-buffer-name "*Topchop*")))
  (start-process "Topchop" buf "uname")
  (display-buffer buf))

This is inconvenient if for example you have a feature that calls 
start-process to execute the Perl code in your current window and display 
the output in a new window, and you have to switch to the new window and 
scroll up every time you want to see the output.

I don't think the problem is with display-buffer, because the text generated 
by this code doesn't get chopped:

(let ((buf (generate-new-buffer-name "*Displays fine*")))
  (set-buffer (get-buffer-create buf))
  (insert "This text doesn't get chopped,\n\nWhich seems reasonable.")
  (display-buffer buf))

Thanks,

Phil

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