Only use one page name prefix

doc/NAVIGATION.md

@@ -2,7 +2,7 @@
 
 To name a page, hold the current page indicator and select the *Name* entry. A page name can be an uppercase ASCII letter, a lowercase roman numeral or an arabic numeral.
 
-Once a page is named, you can jump to any page above it in the same category. For example if you've defined page 15 as *vi*, by entering *'ix* (or *"ix*), in the *Go to page* input field, you'll jump to page 18.
+Once a page is named, you can jump to any page above it in the same category. For example if you've defined page 15 as *vi*, by entering *'ix*, in the *Go to page* input field, you'll jump to page 18.
 
 You can also select a page name in the book's text and jump to it by tapping *Go To* in the selection menu. This can be particularly useful within a book's index.
 

src/view/reader/mod.rs

@@ -2994,10 +2994,10 @@ impl View for Reader {
  true
  },
  Event::Submit(ViewId::GoToPageInput, ref text) => {
- let re = Regex::new(r#"^([-+"'])?(.+)$"#).unwrap();
+ let re = Regex::new(r#"^([-+'])?(.+)$"#).unwrap();
  if let Some(caps) = re.captures(text) {
  let prefix = caps.get(1).map(|m| m.as_str());
- if prefix == Some("\"") || prefix == Some("'") {
+ if prefix == Some("'") {
  if let Some(location) = self.find_page_by_name(&caps[2]) {
  self.go_to_page(location, true, hub, rq, context);
  }