[development] Writing updates for minor releases

[Moshe Weitzman]

Karoly Negyesi wrote:
> Hi,
> 
> I closed http://drupal.org/node/64212 for good.
> 
> To sum up, if you are writing a core patch which adds an update to a 
> minor release, then you need to duplicate that in the HEAD section 
> (which has a different numbering) and do it in such a way that the 
> second update won't generate an error.

does this affect update functions in contrib modules?