Sanskrit was a spoken language in the educated and the elite classes, but it was also a language that must have been understood in a wider circle of society because the widely popular folk epics and stories such as the Ramayana, the Mahabharata, the Bhagavata Purana, the Panchatantra and many other texts are all in the Sanskrit language.
ISO 639 is a set of international standards that lists short codes for language names. The following is a complete list of three-letter codes defined in part two (ISO 639-2) of the standard, including the corresponding two-letter codes where they exist.
Type cases (of any language) always have the correct quotation mark metal types for the respective language and never the vertical quotation mark metal types. Because most computer keyboards lack keys to directly enter typographic quotation marks, much typed writing has vertical quotation marks.