diff --git a/src/documents/markdown.rs b/src/documents/markdown.rs
index 650499a..c0199fc 100644
--- a/src/documents/markdown.rs
+++ b/src/documents/markdown.rs
@@ -23,11 +23,16 @@ pub(crate) fn tree(text: &str) -> mdast::Node {
     markdown::to_mdast(text, &options()).expect("markdown without MDX always parses")
 }
 
-/// A whole file as a syntax tree: front matter too.
-pub(crate) fn file_tree(text: &str) -> mdast::Node {
+/// How a whole file parses: front matter too.
+pub fn file_options() -> ParseOptions {
     let mut options = options();
     options.constructs.frontmatter = true;
-    markdown::to_mdast(text, &options).expect("markdown without MDX always parses")
+    options
+}
+
+/// A whole file as a syntax tree.
+pub(crate) fn file_tree(text: &str) -> mdast::Node {
+    markdown::to_mdast(text, &file_options()).expect("markdown without MDX always parses")
 }
 
 /// The bytes of the source a parsed node spans.
diff --git a/src/documents/mod.rs b/src/documents/mod.rs
index 207dd1c..f0597c3 100644
--- a/src/documents/mod.rs
+++ b/src/documents/mod.rs
@@ -44,6 +44,7 @@ pub(crate) use history::Change;
 pub use history::{PageHistoryDiff, Version, VersionHistory};
 pub use knowledge::{Backlink, Backlinks, Favorite, Favorites, TrashBin, Trashed};
 pub use link::LinkEditor;
+pub use markdown::file_options as markdown_options;
 pub use markdown::markdown_highlights;
 pub use modes::{MarkdownEditor, MarkdownMode};
 pub use pages::{PageCover, PageIcon};