Update runtime files.
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index 2430cff..0ee2466 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt* For Vim version 8.0. Last change: 2016 Nov 04
+*quickfix.txt* For Vim version 8.0. Last change: 2017 Mar 06
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -45,10 +45,13 @@
compiler (see |errorformat| below).
*location-list* *E776*
-A location list is similar to a quickfix list and contains a list of positions
-in files. A location list is associated with a window and each window can
-have a separate location list. A location list can be associated with only
-one window. The location list is independent of the quickfix list.
+A location list is a window-local quickfix list. You get one after commands
+like `:lvimgrep`, `:lgrep`, `:lhelpgrep`, `:lmake`, etc., which create a
+location list instead of a quickfix list as the corresponding `:vimgrep`,
+`:grep`, `:helpgrep`, `:make` do.
+A location list is associated with a window and each window can have a
+separate location list. A location list can be associated with only one
+window. The location list is independent of the quickfix list.
When a window with a location list is split, the new window gets a copy of the
location list. When there are no longer any references to a location list,