--- a/.emacs-my	Thu Mar 09 10:53:14 2017 +0200
+++ b/.emacs-my	Thu Mar 09 10:55:00 2017 +0200
@@ -1391,6 +1391,7 @@
   "Open FILE on LINE in NetBeans."
   (unless ide-netbeans-program
     (error "'ide-netbeans-program' is not set"))
+  ;; https://www.jetbrains.com/help/idea/2016.3/opening-files-from-command-line.html
   (if (integerp line)
       (start-process ide-netbeans-process-bufname nil ide-netbeans-program "--open" (format "%s:%d" file line))
     (start-process ide-netbeans-process-bufname nil ide-netbeans-program "--open" file)))