Update runtime files.
diff --git a/runtime/doc/diff.txt b/runtime/doc/diff.txt
index 502fb49..d56aea7 100644
--- a/runtime/doc/diff.txt
+++ b/runtime/doc/diff.txt
@@ -384,12 +384,16 @@
endif
silent execute "!diff -a --binary " . opt . v:fname_in . " " . v:fname_new .
\ " > " . v:fname_out
+ redraw!
endfunction
The "-a" argument is used to force comparing the files as text, comparing as
binaries isn't useful. The "--binary" argument makes the files read in binary
mode, so that a CTRL-Z doesn't end the text on DOS.
+The `redraw!` command may not be needed, depending on whether executing a
+shell command shows something on the display or not.
+
*E810* *E97*
Vim will do a test if the diff output looks alright. If it doesn't, you will
get an error message. Possible causes: