severity 693055 minor
thanks
Hi Mathieu,
There isn't any syntax for them. In tree_format, they're handled
like this:
# Comments, PIs, etc. (everything other than text and elements),
# treat similarly to verbatim block:
# - Flush any pending output
# - Put out a break
# - Add node content to collected output
$self->flush_pending ($indent);
$self->emit_break (0)
unless $prev_child_is_text && !$self->block_normalize ();
$self->set_block_break_type ("element-break");
$self->add_to_doc ($child->{content});