nobu.nokada / softhome.net wrote in message news:<200306240808.h5O88TuG016078 / sharui.nakada.kanuma.tochigi.jp>... > You can do just `raise' without arguments. Then the backtrace > is preserved. This is all changed for the next release. The parser now only ever generates ParseExceptions, which now extends RuntimeError, and the re-raising of exceptions preserves the backtrace. Thanks for the suggestions. --- SER