bibtex-lessp

bibtex-lessp is a compiled Lisp function in `bibtex.el'.

(bibtex-lessp INDEX1 INDEX2)

Predicate for sorting BibTeX entries with indices INDEX1 and INDEX2.
Each index is a list (KEY CROSSREF-KEY ENTRY-TYPE).
The predicate depends on the variable `bibtex-maintain-sorted-entries'.
If its value is nil use plain sorting.