Update separate-compilation.md

itemize

Author: VictorEijkhout

sources/modules/compilation-model/separate-compilation.md

@@ -96,10 +96,10 @@ A student should be able to:
 _These are important topics that are not expected to be covered but provide
 guidance where one can continue to investigate this topic in more depth._
 
-1. Language inter-operability: the `extern "C"` mechanism.
-2. Linker conventions including name mangling.
-3. The `nm` tool for inspection object files and libraries, including de-mangling.
-4. Understand the issues involved in deciding between include guards and `#pragma once`.
+* Language inter-operability: the `extern "C"` mechanism.
+*  Linker conventions including name mangling.
+* The `nm` tool for inspection object files and libraries, including de-mangling.
+* Understand the issues involved in deciding between include guards and `#pragma once`.
 
 [1]: ../object-model/declarations.md
 [2]: ../object-model/definitions.md