For questions about Spanish literature: works of literature which were originally written in the Spanish language, whether from Spain, Latin America, or elsewhere.
This tag should be used for any questions about works of literature which were originally written in the Spanish language, or about Spanish-speaking authors. Note that this includes literature which has nothing to do with Spain the country, e.g. which originates in Latin America. For more details on the reasoning for this usage, see this meta post about country tags vs language tags.