Construct an XDOC tree for a short KaTeK directive @($...$).
Macro:
(defmacro @$$ (&rest trees) (list '@$$-fn (cons 'list trees)))
Function:
(defun @$$-fn (trees) (declare (xargs :guard (tree-listp trees))) (make-tree-dir/&& :@$$ trees))
Theorem:
(defthm stringp-of-@$$ (equal (treep (@$$-fn trees)) (tree-listp trees)))