private LessonSummary ParseSummary(StringWithIndex text)
{
text = text.Trim();
var summary = new LessonSummary(text);
var parts = text.SplitAfterFirstLine();
// Parse the title
var titlePart = parts[0];
summary.Children.Add(new LessonBlankTitlePlaceholder(titlePart, "## SUMMARY", "\r\n"));
var paragraphs = GetParagraphs(parts[1]);
// Remove blank paragraphs
paragraphs = paragraphs.Where(p => p.Phrases.Count > 0 || p.Code != null);
summary.AddChildren(paragraphs);
return(summary);
}
