And this fixes yet another problem: 'mark-first-parents' seems solid now. 'unmark' still needs work but I see no reason I can't fix it as well. I'll post it here if I succeed.
@language python def mark_first_parents(): """mark the first parent of each node, moving up the tree to the top level. print the list of marked parents.""" parent_lst =  p = c.p old_p = p if not p.isMarked(): c.markHeadline(p) for parent in p.parents(): if parent: c.selectPosition(parent) if not parent.isMarked(): c.markHeadline(parent) parent_lst.append(parent.h) c.redraw() if parent_lst: g.es("marked: " + str(parent_lst)) c.selectPosition(old_p) mark_first_parents() > tscv11 > -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To unsubscribe from this group and stop receiving emails from it, send an email to leo-editor+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. Visit this group at https://groups.google.com/group/leo-editor. For more options, visit https://groups.google.com/d/optout.