Update runtime files.
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index f380dc6..f2bc327 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -1,4 +1,4 @@
-*quickfix.txt* For Vim version 8.1. Last change: 2019 Jul 15
+*quickfix.txt* For Vim version 8.1. Last change: 2019 Aug 06
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1352,6 +1352,9 @@
Note: By default the difference between upper and lowercase is ignored. If
you want to match case, add "\C" to the pattern |/\C|.
+Vim will read lines of any length, but only the first 4095 bytes are used, the
+rest is ignored. Items can only be 1023 bytes long.
+
Basic items