Fix for print page footnote links

By adding the path id prefix

Signed-off-by: Hollow Man <hollowman@opensuse.org>

src/renderer/html_handlebars/hbs_renderer.rs

@@ -779,22 +779,36 @@ fn make_data(
 }
 
 /// Goes through part of the rendered print page HTML,
-/// add path id prefix to all the elements id.
+/// add path id prefix to all the elements id as well as footnote links.
 fn build_print_element_id(html: &str, path_id: &str) -> String {
-    let regex = Regex::new(r#"(<[^>]*?id=")([^"]+?)""#).unwrap();
+    let all_id = Regex::new(r#"(<[^>]*?id=")([^"]+?)""#).unwrap();
+    let footnote_id = Regex::new(
+        r##"(<sup [^>]*?class="footnote-reference"[^>]*?>[^<]*?<a [^>]*?href="#)([^"]+?)""##,
+    )
+    .unwrap();
 
     if path_id.is_empty() {
         return html.to_string();
     }
 
-    regex
+    let temp_html = all_id
         .replace_all(html, |caps: &Captures<'_>| {
             let mut fixed = String::new();
             fixed.push_str(&path_id);
             fixed.push_str("-");
             fixed.push_str(&caps[2]);
             format!("{}{}\"", &caps[1], fixed)
         })
+        .into_owned();
+
+    footnote_id
+        .replace_all(&temp_html, |caps: &Captures<'_>| {
+            let mut fixed = String::new();
+            fixed.push_str(&path_id);
+            fixed.push_str("-");
+            fixed.push_str(&caps[2]);
+            format!("{}{}\"", &caps[1], fixed)
+        })
         .into_owned()
 }