bibtex-parse-string-postfix
bibtex-parse-string-postfix is a compiled Lisp function in `bibtex.el
'.
(bibtex-parse-string-postfix)
Parse the postfix part of a BibTeX string entry, including the text.
If the string postfix is found, return a triple consisting of the position of
the actual starting and ending position of the text and the very last
character of the string entry. Move point past BibTeX string entry.