update emacs config to 21th century

conf-lisp/printing.el

@@ -0,0 +1,28 @@
+;; *** Printing
+;; overwrites printing default menu, access via menu File => Print
+;; or:
+;; - M-x ps-spool-buffer-with-faces
+;; - go to *spool* buffer
+;; - save to .ps file
+;; - print
+(require 'printing)
+(pr-menu-bind)
+
+;; via [[https://emacs.stackexchange.com/questions/9364/convert-a-text-buffer-to-a-pdf-file][stackoverflow]]
+(when (executable-find "ps2pdf")
+  (defun print-to-pdf (&optional filename)
+    "Print file in the current buffer as pdf, including font, color, and
+underline information.  This command works only if you are using a window system,
+so it has a way to determine color values.
+
+C-u COMMAND prompts user where to save the Postscript file (which is then
+converted to PDF at the same location."
+    (interactive (list (if current-prefix-arg
+                           (ps-print-preprint 4)
+                         (concat (file-name-sans-extension (buffer-file-name))
+                                 ".ps"))))
+    (ps-print-with-faces (point-min) (point-max) filename)
+    (shell-command (concat "ps2pdf " filename))
+    (delete-file filename)
+    (message "Deleted %s" filename)
+    (message "Wrote %s" (concat (file-name-sans-extension filename) ".pdf"))))