Update runtime files
diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index a02567e..3153d46 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt* For Vim version 8.2. Last change: 2021 Dec 29
+*insert.txt* For Vim version 8.2. Last change: 2022 Mar 06
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -283,8 +283,8 @@
When 'backspace' is empty, Vi compatible backspacing is used. You cannot
backspace over autoindent, before column 1 or before where insert started.
-For backwards compatibility the values "0", "1" and "2" are also allowed, see
-|'backspace'|.
+For backwards compatibility the values "0", "1", "2" and "3" are also allowed,
+see |'backspace'|.
If the 'backspace' option does contain "eol" and the cursor is in column 1
when one of the three keys is used, the current line is joined with the
@@ -818,6 +818,7 @@
the 'dictionary' option is empty.
For suggestions where to find a list of words, see the
'dictionary' option.
+ 'ignorecase', 'smartcase' and 'infercase' apply.
CTRL-K or
CTRL-N Search forward for next matching keyword. This