Update runtime files
diff --git a/runtime/doc/quickref.txt b/runtime/doc/quickref.txt
index f7c5c17..f1e2ac4 100644
--- a/runtime/doc/quickref.txt
+++ b/runtime/doc/quickref.txt
@@ -1,4 +1,4 @@
-*quickref.txt* For Vim version 8.2. Last change: 2021 Mar 29
+*quickref.txt* For Vim version 8.2. Last change: 2021 Oct 17
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -732,6 +732,7 @@
'guifontset' 'gfs' GUI: Names of multibyte fonts to be used
'guifontwide' 'gfw' list of font names for double-wide characters
'guiheadroom' 'ghr' GUI: pixels room for window decorations
+'guiligatures' 'gli' GTK GUI: ASCII characters that can form shapes
'guioptions' 'go' GUI: Which components and options are used
'guipty' GUI: try to use a pseudo-tty for ":!" commands
'guitablabel' 'gtl' GUI: custom label for a tab page