bibtex-convert-alien is an interactive compiled Lisp function in `bibtex.el'.

(bibtex-convert-alien &optional READ-OPTIONS)

Make an alien BibTeX buffer fully usable by BibTeX mode.
If a file does not conform with all standards used by BibTeX mode,
some of the high-level features of BibTeX mode are not available.
This function tries to convert current buffer to conform with these standards.
With prefix argument READ-OPTIONS non-nil, read options for reformatting
entries from minibuffer.