Yuan Luo <yuan.hypnos.luo@gmail.com> writes:

> Hi,
>
> I am annoyed by the behavior that out of a sudden emacs set
> marker on current cursor point and if I go to the end of line or
> go to the end of buffer, it selects the regions and by the time I
> type, that region is cut & gone! 
>
> I want to change its behavior so unless I press Ctrl+@, emacs
> never sets marker itself, how do I do that?

These markers are useful, but you have probably configured
something else so that these markers become active.  Figure out
what's that, and disable that.

-- 
Carl Lei (XeCycle)
Department of Physics, Shanghai Jiao Tong University
OpenPGP public key: 7795E591
Fingerprint: 1FB6 7F1F D45D F681 C845 27F7 8D71 8EC4 7795 E591