<http://www.ctan.org/tex-archive/macros/latex/contrib/hyperref/> has this note copied below:

> 
> amsmath  
> 
>  -------------  
> 
>  The environments `equation` and `eqnarray` are not supported too well.
>  For example, there might be spacing problems (`eqnarray` isn't recommended
>  anyway, see CTAN:info/l2tabu/, the situation for `equation` is unclear,
>  because nobody is interested in investigating). Consider using the
>  environments that package `amsmath` provide, e.g. `gather` for `equation`.
>  The environment `equation` can even redefined to use gather: 
> 
> 
> 
> ```
> \usepackage{amsmath}
> \let\equation\gather
> \let\endequation\endgather`
> 
> ```
> 
> 

However, `gather` and `equation` environment have the spacing difference as in the answer by Will in [align vs equation](https://tex.stackexchange.com/questions/321/align-vs-equation). Thus my question:

In a document using both hyperref and amsmath, what is the best replacement for `equation`?