The quotation marks are stylistic rather than for attribution. My personal experience comes from ingesting product feeds from online stores. Misapplication of

The quotation marks are stylistic rather than for attribution. My personal experience comes from ingesting product feeds from online stores. Misapplication of \ from other encodings was the most common sin, but I'm pretty sure I saw about three dozen others, from double-comma to null-terminated strings to re-encoding offending characters as hex escapes. (And, of course, TSV files called CSV files, with the same suite of problems.)