These limit commands are nice.  But they can be nicer.

What about using the default value from current article?  E.g. I
maybe reading my mails and found I need to look for other mails
From this sender.  Thus I type /a, and I need to enter his name
--- why don't we use a default value taken from the current
article, thus I simply need to /a RET.

Other commands could use this too, e.g. /t defaults to show
articles older than this one, /s defaults to show articles with
the same title as the current one.

Is this already available?  Or, did I miss something in the
manual?

-- 
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