Fix soffice UserInstallation-URL for Windows

* lisp/doc-view.el (doc-view-odf->pdf-converter-soffice): Fix
UserInstallation-URL when calling soffice on Windows.

diff --git a/lisp/doc-view.el b/lisp/doc-view.el
index af7f1996cc5b1874ac5ce69ad580b43f16dd23f5..9d912c3f6d994fb3a3e0adcccd712e4ee9ff3edf 100644 (file)
--- a/lisp/doc-view.el
+++ b/lisp/doc-view.el
@@ -987,6 +987,11 @@ is named like ODF with the extension turned to pdf."
     (doc-view-start-process "odf->pdf" doc-view-odf->pdf-converter-program
                            (list
                             (concat "-env:UserInstallation=file://"
+                                     ;; The URL must be
+                                     ;; file:///C:/tmp/dir on Windows.
+                                     ;; https://wiki.documentfoundation.org/UserProfile.
+                                     (when (eq system-type 'windows-nt)
+                                       "/")
                                     tmp-user-install-dir)
                             "--headless" "--convert-to" "pdf"
                             "--outdir" (doc-view--current-cache-dir) odf)