sembr src/syntax-intro.md

Author: tshepang

src/syntax-intro.md

@@ -2,7 +2,8 @@
 
 Working directly with source code is very inconvenient and error-prone.
 Thus, before we do anything else, we convert raw source code into an
-[Abstract Syntax Tree (AST)][AST]. It turns out that doing this involves a lot of work,
+[Abstract Syntax Tree (AST)][AST].
+It turns out that doing this involves a lot of work,
 including [lexing, parsing], [macro expansion], [name resolution], conditional
 compilation, [feature-gate checking], and [validation] of the [AST].
 In this chapter, we take a look at all of these steps.