| Value | Meaning |
|---|---|
| keep0 | keep the backslash character as well as the escape characters in the string like in the input string. |
| skip | Ignore and skip offending characters, drop them from the output. Named character entities are still being included like keep as they are not currently implemented. |
| error | Throw a ConvException on invalid escape sequences. Does not throw anything on unknown named character entities as they are not currently implemented but instead treats them like keep. |
Defines different handler types what to do when invalid escape sequences are found inside unescapeString.