Re: depth in parens

[David Hansen]

On Thu, 22 Feb 2007 08:10:52 +0100 Andreas Roehler wrote:

> can't follow first positions output of
> `parse-partial-sexp' - depth in parens.
>
> Cursor pos over pipe-symbol
>
> (foo (bar))
> _____|_____
>
>
> `parse-partial-sexp' called at cursor pos
>
> ==>
>
> (1 1 2 nil nil nil 0 nil nil (1))
>
> i.e. depth in parens.
>      ====> 1 <====
>
>
>
> (foo (bar))
> _________|_
>
>
> (2 6 7 nil nil nil 0 nil nil (1 6))
>
> i.e. depth in parens.
>      ====> 2 <====
>
> Shouldn't the opening and the closing delimiter of a
> list have the same depth in parens?

,----[ (info "(emacs)Point") ]
|
|    While the cursor appears to be _on_ a character, you should think of
| point as _between_ two characters; it points _before_ the character
| that appears under the cursor.  For example, if your text looks like
| `frob' with the cursor over the `b', then point is between the `o' and
| the `b'.  If you insert the character `!' at that position, the result
| is `fro!b', with point between the `!' and the `b'.  Thus, the cursor
| remains over the `b', as before.
|
`----

David