Create structure for inline babel calls.

src/parser/mod.rs

@@ -18,6 +18,7 @@ mod footnote_reference;
 mod greater_block;
 mod greater_element;
 mod horizontal_rule;
+mod inline_babel_call;
 mod keyword;
 mod latex_environment;
 mod latex_fragment;
@@ -81,6 +82,7 @@ pub use object::Code;
 pub use object::Entity;
 pub use object::ExportSnippet;
 pub use object::FootnoteReference;
+pub use object::InlineBabelCall;
 pub use object::Italic;
 pub use object::LatexFragment;
 pub use object::Object;