super: Use the labels generated by the bibliography style as superscripts. This works best with numeric bibliography styles such as plain. Similar to natbib’s super style and biblatex’s \supercite command.
The default bibliography style is alpha. Thus, for Oldham (1906), the generated label is Old06.
This PR uses plain bibliography style, which is a numeric bibliography style.
See https://sphinxcontrib-bibtex.readthedocs.io/en/latest/usage.html?highlight=bibtex_reference_style#bibliography-style
See https://sphinxcontrib-bibtex.readthedocs.io/en/latest/usage.html?highlight=bibtex_reference_style#referencing-style:
The default bibliography style is
alpha
. Thus, for Oldham (1906), the generated label isOld06
.This PR uses
plain
bibliography style, which is a numeric bibliography style.