[Lazarus] TStringGrid.AutoEdit and options

[Martin]

On 27/01/2013 11:50, Martin wrote:
> TStringGrid has:
> - property AutoEdit:Boolean
> - Options eoGoEdit
> - Options eoAlwaysShowEditor
>
> I figured some behavioural differences with the options.
>
> But I can set AutoEdit True/False nothing changes. What does it do? Or 
> what Should it do?
>
>
> Laz 1.1 SVN from 26th Jan / fpc 2.6.0 / Win Vista 32 bit
>

There also is a none public property FastEditing: Boolean

So there are 16 different settings. How to they all differ?