I think the following code should check that ev is not null before
dereferencing it. This might be a factor in a segfault I saw. (Sorry to be so
vague, but I am not going to build lilypond to test the theory. It would take
a credible threat of violence to change my mind.) A grep suggests that there
may be other similar cases.
void
Dispatcher::dispatch (SCM sev)
{
Stream_event *ev = unsmob_stream_event (sev);
SCM class_symbol = ev->get_property ("class");
--
Dan
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