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Re: scroll-lock-mode and goal-column

From: Stefan Monnier
Subject: Re: scroll-lock-mode and goal-column
Date: Sun, 29 Jun 2008 13:51:26 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.60 (gnu/linux)

> For example if you open the info dir with `C-h i d', activate Scroll
> Lock mode, move point down a bit into the introductory blurb, then move
> it to column 30 and scroll down line by line with `C-n', point will
> sometimes stick to column 0 even though there is text to the right where
> it can be moved to.

Most likely, `last-command' is not among '(scroll-up scroll-down) so the
C code doesn't understand that it should preserve the column position
from before the last command.

> Also, it will not jump back to column 30, once it
> does, but to column 26.

Sounds very strange, indeed.  But Info buffers have funny contents, so
maybe you were in column 0 on a big display-property space that spanned
columns from 0 to 26?


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