bibtex-parse-field-namebibtex-parse-field-name is a compiled Lisp function in `
Parse the name part of a BibTeX field.
If the field name is found, return a triple consisting of the position of the
very first character of the match, the actual starting position of the name
part and end position of the match. Move point to end of field name.
If `bibtex-autoadd-commas' is non-nil add missing comma at end of preceding
BibTeX field as necessary.