Open doc text also if it's not saved to a file.

* doc-view.el (doc-view-open-text): Don't require that the
document is saved in a file (e.g., email attachment).

2 files changed, 9 insertions, 3 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e00e58c20b5..23e66fe3158 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2014-07-28  Stephen Berman  <stephen.berman@gmx.net>
+
+        * doc-view.el (doc-view-open-text): Don't require that the
+        document is saved in a file (e.g., email attachment).
+
 2014-07-28  Fabián Ezequiel Gallina  <fgallina@gnu.org>
 
         Parse completion input in a iPython friendly way.  (Bug#18084)
diff --git a/lisp/doc-view.el b/lisp/doc-view.el
index 5d2c897e4f9..9458cace74e 100644
--- a/lisp/doc-view.el
+++ b/lisp/doc-view.el
@@ -1396,11 +1396,12 @@ For now these keys are useful:
   (interactive)
   (if doc-view--current-converter-processes
       (message "DocView: please wait till conversion finished.")
-    (let ((txt (expand-file-name "doc.txt" (doc-view--current-cache-dir))))
+    (let ((txt (expand-file-name "doc.txt" (doc-view--current-cache-dir)))
+          (bname (or buffer-file-name (buffer-name))))
       (if (file-readable-p txt)
           (let ((name (concat "Text contents of "
-                              (file-name-nondirectory buffer-file-name)))
-                (dir (file-name-directory buffer-file-name)))
+                              (file-name-nondirectory bname)))
+                (dir (or (file-name-directory bname) default-directory)))
             (with-current-buffer (find-file txt)
               (rename-buffer name)
               (setq default-directory dir)))