bibtex-autokey-titlewordsbibtex-autokey-titlewords is a variable defined in `
bibtex.el'. Its value is
5Documentation: Number of title words to use for the automatically generated reference key. If this is set to anything but a number, all title words are used. Possibly more words from the title are used according to `bibtex-autokey-titlewords-stretch'. See `bibtex-generate-autokey' for details. You can customize this variable.