Talking about when using C-c C-s or C-c . I want to set the stamp for, say, 1 month from a day that is NOT today.
So I enter +1m after the minibuffer prompt and before the display of today's date.
The calendar is still displayed so I always thought the increment would be applied to whatever date I clicked on, but no, today's date is always used. (This recently bit me.)
If you instead click the calendar before entering an increment, that date is just used and there is no opportunity to add an increment in this step.
So I suggest that the code be changed to apply any entered increment to the clicked-on date (which is beyond my current minimal elisp experience)/
