Change coding style: star must be added to front of multi-comment

Author: Ernest

guides/coding_style/c++/README.md

@@ -31,7 +31,7 @@
 - [Aliases](#aliases)
 
 ## Comments
-Single line comments should use the standard style (`//`), and multi line comments should use multiline comments (`/* */`). There should be a space between the comment delimiter and the comment text (unless pure-code synopsis).
+Single line comments should use the standard style (`//`), and multi line comments should use multiline comments (`/* */`). There should be a space between the comment delimiter and the comment text.
 
 ```C++
 // Example text
@@ -43,19 +43,19 @@ Single line comments should use the standard style (`//`), and multi line commen
  */
 
 /*
-
- Simple multiline comment
-
- vector synopsis
-
-template <class T, class Allocator = allocator<T> >
-class vector
-{
-public:
-    using value_type = T;
-    using allocator_type = Allocator;
-}
-*/
+ *
+ * Simple multiline comment
+ *
+ * vector synopsis
+ *
+ * template <class T, class Allocator = allocator<T> >
+ * class vector
+ * {
+ * public:
+ *     using value_type = T;
+ *     using allocator_type = Allocator;
+ * }
+ */
 ```
 
 ## Code Width and Alignment

third_party/uncrustify.cfg

@@ -1808,7 +1808,7 @@ cmt_cpp_nl_end                  = false    # false/true
 cmt_cpp_to_c                    = false    # false/true
 
 # Whether to put a star on subsequent comment lines.
-cmt_star_cont                   = false    # false/true
+cmt_star_cont                   = true    # false/true
 
 # The number of spaces to insert at the start of subsequent comment lines.
 cmt_sp_before_star_cont         = 0        # unsigned number