Remove stray ".".

diff --git a/doc/emacs/ack.texi b/doc/emacs/ack.texi
index b2fa245b03297ae6ccd858fe035dc2f92b460d4d..74d96c4aa772acbec6ad8eabaf857fe7f37039ff 100644 (file)
--- a/doc/emacs/ack.texi
+++ b/doc/emacs/ack.texi
@@ -823,7 +823,7 @@ used in mail messages and news articles.
 @ignore
 @c Obsolete since 24.4
 ; and @file{terminal.el}, a terminal emulator for Emacs subprocesses.
-@end ignore.
+@end ignore
 
 @item
 Gerd Möllmann was the Emacs maintainer from the beginning of Emacs 21