Hi Yugo,
> I found that comments in trigger.c describing fields of three different
> structures in a comment block.
That makes sense to me.
> I've attached a patch to improve the comments
> by splitting it to three blocks.
>
I think you could also move the comment beginning on:
* AfterTriggersData has the following fields:
To between:
typedef struct AfterTriggersTableData AfterTriggersTableData;
> HERE
typedef struct AfterTriggersData
To keep it consistent with the other comments you moved around.