Complex sentence: Unlike most other languages with exception handling, exceptions are not implicitly resignaled up the calling chain; exceptions that are neither caught nor resignaled explicitly are immediately converted into a special failure exception that typically terminates the program.
Split into simpler sentences: Unlike most other languages with exception handling, exceptions are not implicitly resignaled up the calling chain. Exceptions that are neither caught nor resignaled explicitly are immediately converted into a special failure exception that typically terminates the program.