Update runtime files.
diff --git a/runtime/doc/digraph.txt b/runtime/doc/digraph.txt
index 191dc7b..e24f7e9 100644
--- a/runtime/doc/digraph.txt
+++ b/runtime/doc/digraph.txt
@@ -1,4 +1,4 @@
-*digraph.txt* For Vim version 8.2. Last change: 2019 May 05
+*digraph.txt* For Vim version 8.2. Last change: 2020 Jul 16
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -33,6 +33,8 @@
it is the Unicode character, see |digraph-encoding|.
Example: >
:digr e: 235 a: 228
+< You can use `:exe` to enter a hex number: >
+ :exe 'digr += ' .. 0x2A72
< Avoid defining a digraph with '_' (underscore) as the
first character, it has a special meaning in the
future.