When a wiki page has duplicate headings the first heading gets the normal fragment and the following duplicate headings gets a fragment appended with _2, _3, ...
When you submitting a section you get positioned by the fragment of the heading of the section you edited.

When the section you edited has a duplicate heading you gets positioned to the first heading with the duplicate heading.

Expected result: You gets positioned to the heading of the section you edited.

Version: 1.23.0
Severity: minor