Update runtime files.
diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index 25577a2..d7a0261 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -1,4 +1,4 @@
-*cmdline.txt* For Vim version 8.0. Last change: 2017 Oct 19
+*cmdline.txt* For Vim version 8.0. Last change: 2018 May 10
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -412,14 +412,17 @@
match is inserted. After the last match, the first is used
again (wrap around).
The behavior can be changed with the 'wildmode' option.
+ *c_<S-Tab>*
+<S-Tab> Like 'wildchar' or <Tab>, but begin with the last match and
+ then go to the previous match.
+ <S-Tab> does not work everywhere.
*c_CTRL-N*
CTRL-N After using 'wildchar' which got multiple matches, go to next
match. Otherwise recall more recent command-line from history.
-<S-Tab> *c_CTRL-P* *c_<S-Tab>*
+ *c_CTRL-P*
CTRL-P After using 'wildchar' which got multiple matches, go to
previous match. Otherwise recall older command-line from
- history. <S-Tab> only works with the GUI, on the Amiga and
- with MS-DOS.
+ history.
*c_CTRL-A*
CTRL-A All names that match the pattern in front of the cursor are
inserted.