Update runtime files
diff --git a/runtime/doc/develop.txt b/runtime/doc/develop.txt
index 59e44dc..6ced515 100644
--- a/runtime/doc/develop.txt
+++ b/runtime/doc/develop.txt
@@ -1,4 +1,4 @@
-*develop.txt* For Vim version 8.1. Last change: 2019 Aug 05
+*develop.txt* For Vim version 8.1. Last change: 2019 Nov 22
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -195,10 +195,14 @@
Comments ~
-Traditionally Vim uses /* comments */. We intend to keep it that way,
-especially for file and function headers. For new code or lines of code that
-change, it is allowed to use // comments. Especially when it comes after
-code:
+Traditionally Vim uses /* comments */. We intend to keep it that way
+for file and function headers and larger blocks of code, E.g.:
+ /*
+ * The "foo" argument does something useful.
+ * Return OK or FAIL.
+ */
+For new code or lines of code that change, it is preferred to use // comments.
+Especially when it comes after code:
int some_var; // single line comment useful here
Enums ~