emacs-pdf

commit 398eb45beeb977ad5ae251abb185c7ba323f36b4
parent 75e0828bea322653fdb9690f22961cf07e9a6010
Author: Tomas Hlavaty <tom@logand.com>
Date:   Fri,  5 Jun 2020 19:19:25 +0200

header and footer functions can return nil

e.g. pdf-dirpart

Diffstat:
M
emacs-pdf.el
 | 
11
++++++-----

1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/emacs-pdf.el b/emacs-pdf.el
@@ -272,11 +272,12 @@ header or footer."
           (*pdf-number-of-pages* n)
           (*pdf-file-name* file-name))
       (dolist (x list)
-        (insert
-         (etypecase x
-           (function (funcall x))
-           (symbol (symbol-value x))
-           (string x)))))
+        (when x
+          (insert
+           (etypecase x
+             (function (funcall x))
+             (symbol (symbol-value x))
+             (string x))))))
     (buffer-string)))
 
 (defun pdf-header-text (i n file-name)