docs: Mention comments and whitespace in `format` accessors (#124)

src/document.rs

@@ -193,7 +193,7 @@ impl KdlDocument {
         &mut self.nodes
     }
 
-    /// Gets the formatting details for this entry.
+    /// Gets the formatting details (including whitespace and comments) for this entry.
     pub fn format(&self) -> Option<&KdlDocumentFormat> {
         self.format.as_ref()
     }

src/entry.rs

@@ -112,7 +112,7 @@ impl KdlEntry {
         self.ty = Some(ty.into());
     }
 
-    /// Gets the formatting details for this entry.
+    /// Gets the formatting details (including whitespace and comments) for this entry.
     pub fn format(&self) -> Option<&KdlEntryFormat> {
         self.format.as_ref()
     }

src/node.rs

@@ -246,7 +246,7 @@ impl KdlNode {
         self.children_mut().as_mut().unwrap()
     }
 
-    /// Gets the formatting details for this node.
+    /// Gets the formatting details (including whitespace and comments) for this node.
     pub fn format(&self) -> Option<&KdlNodeFormat> {
         self.format.as_ref()
     }