Subject: Re: bug#29861: Sudden screen-jump by (scroll-down 1)

From: [email-masked] (Charles A. Roelli)
Date: Wed, 27 Dec 2017 12:04:06 +0100

> Date: Wed, 27 Dec 2017 10:43:08 +0900 (JST)
> From: Tak Kunihiro <[email-masked]>
> 
> I see half-screen shift by (scroll-down 1).  At least this happens on
> a tall line on Info-mode.  I suppose this is bug.
> 
> GNU Emacs 26.0.90 (build 3, x86_64-w64-mingw32) of 2017-10-14
> 
> runemacs.exe -Q
> M-: (info "(info) GNU Free Documentation License")
> C-s ADDENDUM: How to
> Return
> C-l
> C-l
> C-l
> M-: (scroll-down 1)

Does it happen on a recent build of emacs-26?  If not, then it may be
Bug#29325.