Update runtime files
diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index ff12e5d..bf425dd 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1,4 +1,4 @@
-*change.txt* For Vim version 8.2. Last change: 2020 Nov 03
+*change.txt* For Vim version 8.2. Last change: 2020 Nov 21
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -1852,6 +1852,8 @@
When /{pattern}/ is specified and there is no [r] flag
the text matched with {pattern} is skipped, so that
you sort on what comes after the match.
+ 'ignorecase' applies to the pattern, but 'smartcase'
+ is not used.
Instead of the slash any non-letter can be used.
For example, to sort on the second comma-separated
field: >