[Emacspeak] Re: Unusual/unexpected Emacspeak behaviour

[T.V Raman <raman@xxxxxxxxxxx>]

Tim Cross <theophilusx(a)gmail.com> writes:

Yes, I spotted this a few weeks ago and have not had time to
investigate, either a bug in emacspeak, or some underlying change in
emacs -- not sure.

If you get time to dig further -- please do so
> Hi Raman,
>
> I have noticed something which seems a little odd. I first noticed it a
> while ago, but thought it was due to something spacemacs does and didn't
> worry about it too much. However, today I was working in a very minimal
> Emacs and Emacspeak setup and noticed the same behaviour. I'm not sure
> if this is a bug or an intentional change in how Emacspeak works.
>
> The issue is with how Emacspeak speaks the window when you scroll
> down/up using either pgdown or pgUp or C-v/M-v. In the past, when you do
> this, Emacspeak would read out the new contents of the window. Now it
> seems to behave differently depending if your moving up (pgUp/M-v) or
> moving down (pgDown/C-v).
>
> If you scroll down using C-v, only the first few lines of the new window
> are spoken and speech stops. If you then hit pgUp or M-v to scroll back
> up, the whole of the new screen of data plus the contents of the next
> screen of data are spoken. It seems like the point marking the beginning
> and end of the window are not being updated when you scroll, but I've
> not debugged it yet. I really just wanted to flag this and see first if
> it is a known issue or not.
>
> The configuration I'm using is
>
> - Emacs 27.2 built from current git repository
> - Current Emacspeak as of today
> - Minimal emacs configuration - essentially loads Emacspeak, increases
>   font size and installs a dark colour theme. 
>
> No other configuration apart from turning on auto-fill-mode. I have
> verified visual-line-mode is not turned on (truncate line default is
> used). No additional packages. Observed the same behaviour in text mode
> and org mode.
>
> To reproduce -
>
> - Start Emacs
>
> - Load Emacspeak
>
> - Open either an org file or text file which is large enough to require
>   scrolling for multiple 'windows/screens' of data.
>
> - Move cursor to the beginning of the buffer.
>
> - Use C-v or pgDown to scroll down one screenful of data. Emacspeak will
>   only speak the first 3 or 4 lines of the new screen of data.
>
> - Use M-v or pgUp to scroll up to the top of the buffer. Emacspeak will
>   speak both the displayed window of data and what would be displayed in
>   the second window of data. i.e. speaks 2 'windows' of data rather than
>   just the displayed one.
>
> I will try adding some debug statements to check the values being passed
> in and see if that adds any clarity about what is going on.
>
> Tim

-- 

Thanks,

--Raman
♈ Id: kg:/m/0285kf1  🦮