# [pdftex] hyperref/backref

Heiko Oberdiek oberdiek at uni-freiburg.de
Tue Jul 8 12:51:28 CEST 2003

```On Mon, Jul 07, 2003 at 11:48:16PM +0200, Reinhard Kotucha wrote:

> >>>>> "Heiko" == Heiko Oberdiek <oberdiek at uni-freiburg.de> writes:
>
>     > On Mon, Jul 07, 2003 at 01:13:44AM +0200, Reinhard Kotucha
>     > wrote:
>     >> the option `backref' can only set as an optional argument to
>     >> hyperref, but not using \hypersetup.
>
>     > Yes. It is not the best to load packages \AtBeginDocument.
>
> Hi Heiko,
> which package is loaded \AtBeginDocument?
>
> The documentation says:
>
> > The options can be set either in the optional argument to the
> > \usepackage command, or using the \hypersetup macro.

In general options can. But many options are limited. Because
nobody can remember, which option can be used to which point,
I have written code for hopefully descriptive warnings,
if an option is used too late.

Yours sincerely
Heiko <oberdiek at uni-freiburg.de>
```