pub const BIB_REF_DISPLAY: &str = "bib-ref-display"; pub const META_LANG: &str = "language"; pub const IMP_IGNORE: &str = "ignored-imports"; pub const IMP_STYLESHEETS: &str = "included-stylesheets"; pub const IMP_CONFIGS: &str = "included-configs"; pub const IMP_BIBLIOGRAPHY: &str = "included-bibliography";