Transition to new format

Misc/Warm-Ups/ast.tex

@@ -1,19 +1,20 @@
 \documentclass[
 	solutions,
-	nowarning,
+	hidewarning,
 	singlenumbering,
 	nopagenumber
 ]{../../resources/ormc_handout}
 
 \usepackage[linguistics]{forest}
 
+
+
+\title{Warm-Up: What's an AST?}
+\subtitle{Prepared by Mark on \today. \\ Based on a true story.}
+
 \begin{document}
 
 	\maketitle
-		{Warm-Up: What's an AST?}
-		{Prepared by Mark on \today. \\ Based on a true story.}
-
-	\vspace{2mm}
 
 	Say you have a valid string of simple arithmetic that contains no unary operators (like $3!$ or $-4$) and no parenthesis:
 	$$