From: Lars Ingebrigtsen Date: Mon, 30 Sep 2019 15:39:38 +0000 (+0200) Subject: Make doc-view error message more informative X-Git-Tag: emacs-27.0.90~1351 X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=5746202c182a9c69c732beb29b8507a6e6364799;p=emacs.git Make doc-view error message more informative * lisp/doc-view.el (doc-view-initiate-display): Make error message clearer (bug#3827). --- diff --git a/lisp/doc-view.el b/lisp/doc-view.el index 9fe177a184a..f75421e7b5c 100644 --- a/lisp/doc-view.el +++ b/lisp/doc-view.el @@ -1715,11 +1715,11 @@ If BACKWARD is non-nil, jump to the previous match." (substitute-command-keys (concat "Type \\[doc-view-toggle-display] to toggle between " "editing or viewing the document.")))) - (message - "%s" - (concat "No PNG support is available, or some conversion utility for " - (file-name-extension doc-view--buffer-file-name) - " files is missing.")) + (if (image-type-available-p 'png) + (message "Conversion utility \"%s\" not available for %s" + doc-view-ghostscript-program + (file-name-extension doc-view--buffer-file-name)) + (message "PNG support not available; can't view document")) (if (and (executable-find doc-view-pdftotext-program) (y-or-n-p "Unable to render file. View extracted text instead? "))