Update runtime files.
Add missing test files.
diff --git a/runtime/doc/intro.txt b/runtime/doc/intro.txt
index c643ab8..856726a 100644
--- a/runtime/doc/intro.txt
+++ b/runtime/doc/intro.txt
@@ -394,8 +394,8 @@
*quotecommandquote*
"command" A reference to a command that you can type is enclosed in
double quotes.
-`command` New style command, this distinguishes it from other
- quoted text and strings.
+`command` New style command, this distinguishes it from other quoted
+ text and strings.
*key-notation* *key-codes* *keycodes*
These names for keys are used in the documentation. They can also be used