clean with pedantic clippy

src/paragraph/mod.rs

@@ -105,7 +105,7 @@ impl Parser {
             Regex::new("<absatz typ=\"[^\"]*\" ct=\"[^\"]*\" halign=\"[^\"]*\">").unwrap();
 
         // Find all matches for <ueberschrift> tags and iterate over them in reverse to avoid messing up the indices
-        for cap in ueberschrift_regex.captures_iter(&xml) {
+        for cap in ueberschrift_regex.captures_iter(xml) {
             let ueberschrift_content = &cap[1];
 
             // Check if there's an <absatz> following the <ueberschrift>

src/paragraph/parser/mod.rs

@@ -44,7 +44,7 @@ impl<'a> From<&'a Node<'a, 'a>> for Expect<'a> {
 impl<'a> Expect<'a> {
     fn tag(&self, value: &str) {
         assert!(
-            !(self.node.tag_name().name() != value),
+            self.node.tag_name().name() == value,
             "Expected tag '{value}', got {} (tag: {}, content: {:?})",
             self.node.tag_name().name(),
             self.node.tag_name().name(),