Re: how do I know that the buffer is narrowed

[Stefan Monnier]

>> Yes, there is a very good one: you unnecessarily assume that the buffer
>> starts at position 1.

> Both `what-cursor-position' and `what-line' (in simple.el) do this
> assumption. After looking in buffer.h and seeing:
>     /* Position of beginning of buffer.  */
>     #define BEG (1)
> I don't see any reason NOT to assume this.

I didn't say it was a bad assumption. Just an unneeded one.
Code with fewer assumptions is generally better than a code with
more assumptions.  Especially when it's shorter and more efficient,
of course.


        Stefan "whose Emacs uses #define BEG (12345678)"