Update runtime files
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index b700c82..981ecf7 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt* For Vim version 8.2. Last change: 2021 Nov 15
+*map.txt* For Vim version 8.2. Last change: 2021 Nov 20
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -96,6 +96,9 @@
Remove the mapping of {lhs} for the modes where the
map command applies. The mapping may remain defined
for other modes where it applies.
+ It also works when {lhs} matches the {rhs} of a
+ mapping. This is for when when an abbreviation
+ applied.
Note: Trailing spaces are included in the {lhs}. This
unmap does NOT work: >
:map @@ foo
@@ -346,6 +349,8 @@
- For the same reason, |keycodes| like <C-R><C-W> are interpreted as plain,
unmapped keys.
- The command is not echo'ed, no need for <silent>.
+- The {rhs} is not subject to abbreviations nor to other mappings, even if the
+ mapping is recursive.
- In Visual mode you can use `line('v')` and `col('v')` to get one end of the
Visual area, the cursor is at the other end.
- In Select mode, |:map| and |:vmap| command mappings are executed in