dxbjavid opened a new pull request, #748:
URL: https://github.com/apache/commons-text/pull/748
`StringEscapeUtils.unescapeCsv("\"")` throws
`StringIndexOutOfBoundsException: String index out of range: -1`.
A single `"` passes the "is this a quoted value" check because `charAt(0)`
and `charAt(length - 1)` read the same character, so
`CsvUnescaper.translateWhole` strips quotes with `subSequence(1, length - 1)` =
`subSequence(1, 0)`. Require length >= 2 so a lone quote falls through
unchanged like other unquoted input.
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