Update runtime files
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index c4f30e9..b5361c8 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -2702,9 +2702,29 @@
RESTRUCTURED TEXT *rst.vim* *ft-rst-syntax*
-You may set what syntax definitions should be used for code blocks via >
+Syntax highlighting is enabled for code blocks within the document for a
+select number of file types. See $VIMRUNTIME/syntax/rst.vim for the default
+syntax list.
+
+To set a user-defined list of code block syntax highlighting: >
let rst_syntax_code_list = ['vim', 'lisp', ...]
-<
+
+To assign multiple code block types to a single syntax, define
+`rst_syntax_code_list` as a mapping: >
+ let rst_syntax_code_list = {
+ \ 'cpp' = ['cpp', 'c++'],
+ \ 'bash' = ['bash', 'sh'],
+ ...
+ }
+
+To use color highlighting for emphasis text: >
+ let rst_use_emphasis_colors = 1
+
+To enable folding of sections: >
+ let rst_fold_enabled = 1
+
+Note that folding can cause performance issues on some platforms.
+
REXX *rexx.vim* *ft-rexx-syntax*