bibtex-field-strings-opt

bibtex-field-strings-opt is a variable defined in `bibtex.el'.
Its value is

nil

Documentation:
Optimized value of `bibtex-field-strings-alist'.
Created by `bibtex-field-re-init'.
It is an alist with elements (FIELD RULE1 RULE2 ...),
where each RULE is (REGEXP . TO-STR).