Proposal for Abstraction Layer for Modifications in Bug.pm (#122922)

[Gervase Markham]

Christian Robottom Reis wrote:
> Why not offer a customization hook in CheckCanChangeField instead or
> relying on people to customize the function itself?

Because it's not really that simple. People may want to change the 
existing logic, remove from it, add to it, whatever. You can't just call 
an extra function at the end and expect them to code it to to fix things up.

CheckCanChangeField() _is_ the customisation hook.

Gerv