add tracing logs

src/paragraph/parser/mod.rs

@@ -77,6 +77,7 @@ impl Risdok {
 
     pub(crate) fn from_str(xml: &str, builder: &mut LawBuilder) -> Result<bool, Error> {
         let doc = roxmltree::Document::parse(xml)?;
+        trace!("{doc:?}");
         let root = doc.root();
         assert_eq!(root.children().count(), 1);
         Ok(Self::parse(root.children().next().unwrap(), builder))
@@ -171,6 +172,7 @@ impl Ziffernliste {
     }
 
     pub(crate) fn parse(c: &mut Peekable<Children>) -> Self {
+        trace!("Parsing Ziffernliste...");
         let n = c.next().unwrap();
 
         assert!(Self::test(&n));