Create a template for new element functions that will take in the affiliated keywords instead of re-parsing them multiple times.

src/parser/mod.rs

@@ -27,6 +27,7 @@ mod latex_environment;
 mod latex_fragment;
 mod lesser_block;
 mod line_break;
+mod macros;
 mod object_parser;
 mod org_macro;
 mod org_source;