bibtex-autokey-get-field
bibtex-autokey-get-field is a compiled Lisp function in `bibtex.el
'.
(bibtex-autokey-get-field FIELD &optional CHANGE-LIST)
Get content of BibTeX field FIELD. Return empty string if not found.
Optional arg CHANGE-LIST is a list of substitution patterns that is
applied to the content of FIELD. It is an alist with pairs
(OLD-REGEXP . NEW-STRING).