Reformat NB code comments [nocode]

lib/instrument/visitors/assignee.js

@@ -208,7 +208,7 @@ function IdentifierVar(node, state) {
 /**
  * Throw error if is an illegal `const`, `let` or `class` declaration at top level of program,
  * where file is CommonJS and var name is a CommonJS var.
- * NB This is the only illegal declaration need to check for.
+ * NB: This is the only illegal declaration need to check for.
  * Any other illegal declarations will have thrown an error already in `@babel/parser`.
  *
  * @param {Object} block - Block object

lib/serialize/records.js

@@ -101,7 +101,7 @@ function createBlock(id, name, parent) {
  * The parent may be in a higher block than current scope.
  * Block 4, current parentage 2 -> 1, new parent 3 -> 1 => result 4 -> 3 -> 2 -> 1.
  *
- * NB Block IDs are always higher for more deeply nested blocks.
+ * NB: Block IDs are always higher for more deeply nested blocks.
  * i.e. for `function x() { function y() {} }`, `y` will have higher block ID than `x`.
  *
  * @param {Object} block - Block object
@@ -154,7 +154,7 @@ function createScope(id, block, parent) {
 /**
  * Update parent for existing scope.
  * Same logic as `updateBlockParent()` above.
- * NB While block IDs are always higher for nested scopes, scope IDs are not necessarily.
+ * NB: While block IDs are always higher for nested scopes, scope IDs are not necessarily.
  * Scope IDs are allocated in order functions are called, which may not correspond to
  * the relative nesting of the blocks they sit in.
  *

lib/serialize/strict.js

@@ -23,7 +23,7 @@ module.exports = {
  *
  * Try to add 'use strict' directive inside function body. but if this is not possible due to
  * function having non-simple params, wrap in an IIFE to make strict.
- * NB 'use strict' in function with non-simple params is syntax error.
+ * NB: 'use strict' in function with non-simple params is syntax error.
  *
  * Return the wrapped node (or input node if 'use strict' could be added inside function).
  *