Commit 2b7971c9 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(tex-view): Nice error if tex-dvi-view-command is nil.

parent 7e04044f
......@@ -1088,8 +1088,12 @@ Runs the shell command defined by `tex-alt-dvi-print-command'."
(defun tex-view ()
"Preview the last `.dvi' file made by running TeX under Emacs.
This means, made using \\[tex-region], \\[tex-buffer] or \\[tex-file].
The variable `tex-dvi-view-command' specifies the shell command for preview."
The variable `tex-dvi-view-command' specifies the shell command for preview.
You must set that variable yourself before using this command,
because there is no standard value that would generally work."
(or tex-dvi-view-command
(error "You must set `tex-dvi-view-command'"))
(let ((tex-dvi-print-command tex-dvi-view-command))
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