add gui, mail and programming language settings

settings/plot-settings.el

@@ -0,0 +1,29 @@
+;;; plot-settings.el --- plot settings  -*- lexical-binding: t -*-
+
+;;; Commentary:
+;; .plantuml .pum .plu
+ 
+;; Requirements:
+;; gnuplot
+;; gnuplot-mode https://melpa.org/#/gnuplot-mode drive gnuplot from within Emacs e.g. via org (export)
+;; plantuml-mode https://melpa.org/#/plantuml-mode https://github.com/skuro/plantuml-mode
+;;   dash
+
+;;; Code:
+(use-package gnuplot-mode
+  :load-path (lambda() (concat user-emacs-directory "lisp/gnuplot"))
+  :commands gnuplot-mode
+  :mode "\\.gp\\'"
+  )
+
+(use-package plantuml-mode
+  :commands (plantuml-mode org-mode)
+  :config
+  ;; arch linux aur package path
+  (setq plantuml-jar-path "/usr/share/java/plantuml/plantuml.jar")
+  (setq org-plantuml-jar-path "/usr/share/java/plantuml/plantuml.jar")
+  (with-eval-after-load 'org
+    (add-to-list 'org-src-lang-modes '("plantuml" . plantuml))))
+
+(provide 'plot-settings)
+;;; plot-settings.el ends here