Extract content parser state to its own module

src/syntax/content/parser/token/anchor.rs

@@ -45,12 +45,14 @@ impl std::fmt::Display for Anchor {
         use crate::dev::wrap;
 
         let display_destination = match self.destination {
-            Some(ref destination) => { if destination.is_empty() {
-                "<empty>"
-            } else {
-                destination
-            }},
-            None => "<unknown>"
+            Some(ref destination) => {
+                if destination.is_empty() {
+                    "<empty>"
+                } else {
+                    destination
+                }
+            },
+            None => "<unknown>",
         };
 
         let mut tail = String::new();

src/syntax/content/parser/token/header.rs

@@ -122,7 +122,7 @@ impl std::fmt::Display for Header {
 
         let display_dom_id = match self.dom_id {
             Some(ref dom_id) => format!(" DOM ID {dom_id}"),
-            None => String::new()
+            None => String::new(),
         };
 
         write!(

src/syntax/content/parser/token/paragraph.rs

@@ -43,8 +43,14 @@ impl Parseable for Paragraph {
 impl std::fmt::Display for Paragraph {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         let display_open_state = match self.open {
-            Some(open_state) => { if open_state { "open" } else { "closed" } },
-            None => "unknown"
+            Some(open_state) => {
+                if open_state {
+                    "open"
+                } else {
+                    "closed"
+                }
+            },
+            None => "unknown",
         };
         write!(f, "Paragraph [{display_open_state}]")
     }

src/syntax/content/parser/token/span.rs

@@ -38,8 +38,13 @@ impl std::fmt::Display for Span {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         let display_open_state = match self.open {
             Some(ref open_state) => {
-            if *open_state { "open" } else { "closed" }},
-                None => "unknown"
+                if *open_state {
+                    "open"
+                } else {
+                    "closed"
+                }
+            },
+            None => "unknown",
         };
         write!(f, "Span [{display_open_state}]")
     }