Add a test for tags with newline.

src/lib.rs

@@ -149,3 +149,6 @@ pub mod element_ref;
 pub mod html;
 pub mod node;
 pub mod selector;
+
+#[cfg(test)]
+mod test;

src/test.rs

@@ -0,0 +1,22 @@
+use crate::{Html, Selector};
+
+#[test]
+fn tag_with_newline() {
+    let selector = Selector::parse("a").unwrap();
+
+    let document = Html::parse_fragment(
+        r#"
+        <a
+                            href="https://github.com/causal-agent/scraper">
+
+                            </a>
+        "#,
+    );
+
+    let mut iter = document.select(&selector);
+    let a = iter.next().unwrap();
+    assert_eq!(
+        a.value().attr("href"),
+        Some("https://github.com/causal-agent/scraper")
+    );
+}