Why can't one delete one's own posts and comments here?
This is a general question, not related to learning languages.
Edits are possible, in fact posts and comments can be reduced to a single period (full stop), the mandatory single character that comes closest to a white space (which isn't admissible). However, post headings (captions) cannot be edited at all after posting.
I have thought about this but to no avail, because the backup of the originals can always be retained for a specified time at server end, depending on the server storage capacity.
Does anyone know why?