Re: mixing argument types

[Rodolfo Medina]

Emanuel Berg <moasen@zoho.com> writes:

> Rodolfo Medina wrote:
>
>> And region-beginning/end...?
>
> You can set the mark with C-SPC
> (`set-mark-command'), and then move point (the
> cursor) around with the usual keys. You should
> now see the effect of this in the buffer.
> The area covered is called the region. Often,
> functions operate on this region because it is
> a natural way to specify what part of the
> buffer should be affected by a command: first
> the user sets the region, then the command is
> invoked, and because there is a region, the
> command affects that, rather than the whole
> buffer (or something else, depending on the
> command).
>
> In Elisp code, you can find out if there is
> a region with (use-region-p). You can even,
> right now reading this, evaluate that (with
> `C-x C-e', `eval-last-sexp') with and without
> a region: it should evaluate to t or nil
> accordingly.
>
> In the Elisp code, if there is a region you use
> `region-beginning' and `region-end' to delimit
> the part of the buffer it covers.


Thanks you...  Clear, now.

Rodolfo