Add `umask' to the concept index.

diff --git a/lispref/files.texi b/lispref/files.texi
index 35955f14b40d3cf7eeaa4927b238c2ceb218bceb..720d1323d6ec6e0c6c4e4801297f4d7f44e8c928 100644 (file)
--- a/lispref/files.texi
+++ b/lispref/files.texi
@@ -1322,6 +1322,7 @@ be an integer).  Only the low 12 bits of @var{mode} are used.
 
 @c Emacs 19 feature
 @defun set-default-file-modes mode
+@cindex umask
 This function sets the default file protection for new files created by
 Emacs and its subprocesses.  Every file created with Emacs initially has
 this protection, or a subset of it (@code{write-region} will not give a