Convert long embedded list to a normal list

Author: ehuss

src/procedural-macros.md

@@ -131,7 +131,15 @@ r[macro.proc.proc_macro.behavior]
 A function-like macro invocation of a function-like procedural macro will pass what is inside the delimiters of the macro invocation as the input [`TokenStream`] argument, and replace the entire macro invocation with the output [`TokenStream`] of the function.
 
 r[macro.proc.proc_macro.invocation]
-Function-like procedural macros may be invoked in any macro invocation position, which includes [statements], [expressions], [patterns], [type expressions], [item] positions, including items in [`extern` blocks], inherent and trait [implementations], and [trait definitions].
+Function-like procedural macros may be invoked in any macro invocation position, which includes:
+
+- [statements]
+- [expressions]
+- [patterns]
+- [type expressions]
+- [item] positions, including items in [`extern` blocks]
+- inherent and trait [implementations]
+- [trait definitions]
 
 r[macro.proc.derive]
 ## Derive macros