Re: Using 'd' in Summary buffer produces surprising results (sometimes)

[Ted Zlatanov <tzz@lifelogs.com>]

On Sat, 29 Jun 2013 22:44:04 -0400 Nick Dokos <ndokos@gmail.com> wrote: 

ND> If I try to 'd' my way through a group, much of the time I get what I
ND> expect: the message is marked 'r' and the next message is shown.

ND> However, sometimes a 'd' will take me back to a previous message
ND> (usually, perhaps always, in the thread I'm reading - I don't remember
ND> any cases where it has taken me to a message in a previous thread, but
ND> I'm not sure), one that I've already read. Successive 'd's will step
ND> through all the intermediate messages until I get to a new message,
ND> where another 'd' will take me back to the same previous message as
ND> above and the whole process is repeated a few times. It usually stops
ND> when I get to the first message of the next thread. Then later on it
ND> might start again with a message in a different thread.

ND> Has anybody seen this behavior? Anybody know what causes it? Is there
ND> some way to avoid it? It does not always happen but it happens often
ND> enough to be annoying. If anybody has any suggestions about debugging
ND> this or about more information I can provide, I'd appreciate the help.
ND> The main problem is that I don't know when this will happen: next time
ND> it happens, I plan to edebug through gnus-summary-mark-as-read-forward,
ND> but I'm wondering if there is a better way to go.

I've never seen this, myself.  If possible, try to replicate it with a
bare .emacs.

Ted