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-rw-r--r--lisp/files.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/lisp/files.el b/lisp/files.el
index be28dec4c40..6d03ad24dbe 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -2060,6 +2060,7 @@ ARC\\|ZIP\\|LZH\\|LHA\\|ZOO\\|[JEW]AR\\|XPI\\|RAR\\)\\'" . archive-mode)
("\\.\\(diffs?\\|patch\\|rej\\)\\'" . diff-mode)
("\\.\\(dif\\|pat\\)\\'" . diff-mode) ; for MSDOG
("\\.[eE]?[pP][sS]\\'" . ps-mode)
+ ("\\.\\(?:PDF\\|DVI\\|pdf\\|dvi\\)" . doc-view-mode)
("configure\\.\\(ac\\|in\\)\\'" . autoconf-mode)
("BROWSE\\'" . ebrowse-tree-mode)
("\\.ebrowse\\'" . ebrowse-tree-mode)